diff --git a/config/config.go b/config/config.go
index 4985b59..5b009dd 100644
--- a/config/config.go
+++ b/config/config.go
@@ -59,7 +59,7 @@ func Load(p string) *AppConfigs {
 }
 
 func (c *AppConfigs) Save(p string) error {
-	data, err := json.MarshalIndent(c, "", "	")
+	data, err := json.MarshalIndent(c, "", "    ")
 	if err != nil {
 		return err
 	}
diff --git a/internal/constant/errorcode.go b/internal/constant/errorcode.go
index 41d4d0f..5057f88 100644
--- a/internal/constant/errorcode.go
+++ b/internal/constant/errorcode.go
@@ -4,8 +4,9 @@ type ErrorCode int
 
 // https://github.com/DarkEnergyProcessor/NPPS4/blob/master/npps4/idol/error.py
 const (
-	ErrorCodeUnknown                 ErrorCode = 1
 	ErrorCodeNoUnitIsSellable        ErrorCode = 1205
 	ErrorCodeLivePreciseListNotFound ErrorCode = 3421
 	ErrorCodeEventNoEventData        ErrorCode = 10004
 )
+
+const ErrorCodeAcceptableError = 600
diff --git a/internal/handler/achievement/pagingaccomplishedlist.go b/internal/handler/achievement/pagingaccomplishedlist.go
index 3612137..d621a4b 100644
--- a/internal/handler/achievement/pagingaccomplishedlist.go
+++ b/internal/handler/achievement/pagingaccomplishedlist.go
@@ -7,6 +7,7 @@ import (
 	achievementschema "honoka-chan/internal/schema/achievement"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -36,7 +37,7 @@ func pagingAccomplishedList(ctx *gin.Context) {
 	ss.Respond(achievementschema.PagingAccomplishedListResp{
 		ResponseData: items[start:end],
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/album/seriesall.go b/internal/handler/album/seriesall.go
index a3626ed..e943982 100644
--- a/internal/handler/album/seriesall.go
+++ b/internal/handler/album/seriesall.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	albumschema "honoka-chan/internal/schema/album"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -81,7 +82,7 @@ func seriesAll(ctx *gin.Context) {
 	ss.Respond(albumschema.SeriesAllResp{
 		ResponseData: albumSeriesAllRes,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/announce/checkstate.go b/internal/handler/announce/checkstate.go
index 6eea194..76904b4 100644
--- a/internal/handler/announce/checkstate.go
+++ b/internal/handler/announce/checkstate.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	announceschema "honoka-chan/internal/schema/announce"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -20,7 +21,7 @@ func checkState(ctx *gin.Context) {
 			ServerTimestamp:   time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/api/achievement/initialaccomplishedlist.go b/internal/handler/api/achievement/initialaccomplishedlist.go
index 4fd4c5b..48934ae 100644
--- a/internal/handler/api/achievement/initialaccomplishedlist.go
+++ b/internal/handler/api/achievement/initialaccomplishedlist.go
@@ -3,6 +3,7 @@ package achievement
 import (
 	achievementapischema "honoka-chan/internal/schema/api/achievement"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -37,7 +38,7 @@ func initialAccomplishedList(ctx *gin.Context) (res any, err error) {
 
 	return achievementapischema.UnaccomplishListResp{
 		Result:     listData,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}, nil
diff --git a/internal/handler/api/achievement/unaccomplishlist.go b/internal/handler/api/achievement/unaccomplishlist.go
index a78c7a0..35017dc 100644
--- a/internal/handler/api/achievement/unaccomplishlist.go
+++ b/internal/handler/api/achievement/unaccomplishlist.go
@@ -2,6 +2,7 @@ package achievement
 
 import (
 	achievementapischema "honoka-chan/internal/schema/api/achievement"
+	"net/http"
 	"time"
 )
 
@@ -18,7 +19,7 @@ func unaccomplishList() (res any, err error) {
 
 	res = achievementapischema.UnaccomplishListResp{
 		Result:     listData,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/album/all.go b/internal/handler/api/album/all.go
index 4fe53c3..11f382a 100644
--- a/internal/handler/api/album/all.go
+++ b/internal/handler/api/album/all.go
@@ -3,6 +3,7 @@ package album
 import (
 	albumapischema "honoka-chan/internal/schema/api/album"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -61,7 +62,7 @@ func albumAll(ctx *gin.Context) (res any, err error) {
 
 	res = albumapischema.AllResp{
 		Result:     albumLists,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/api.go b/internal/handler/api/api.go
index 776b9ec..01d3f15 100644
--- a/internal/handler/api/api.go
+++ b/internal/handler/api/api.go
@@ -1,7 +1,6 @@
 package api
 
 import (
-	"honoka-chan/internal/constant"
 	"honoka-chan/internal/handler/api/achievement"
 	"honoka-chan/internal/handler/api/album"
 	"honoka-chan/internal/handler/api/award"
@@ -33,10 +32,9 @@ import (
 	"honoka-chan/internal/middleware"
 	"honoka-chan/internal/router"
 	apischema "honoka-chan/internal/schema/api"
-	commonschema "honoka-chan/internal/schema/common"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
-	"time"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -117,15 +115,8 @@ func api(ctx *gin.Context) {
 		}
 
 		if honokautils.IsUnimplementedError(err) {
-			results = append(results, commonschema.ApiErrorResp{
-				Result: commonschema.ErrorData{
-					ErrorCode: constant.ErrorCodeUnknown,
-				},
-				Status:     600,
-				CommandNum: false,
-				TimeStamp:  time.Now().Unix(),
-			})
-			continue
+			ss.AbortWithStatus(http.StatusNotFound, honokautils.NewDetailContent(err.Error()))
+			return
 		}
 		if ss.CheckErr(err) {
 			return
@@ -136,7 +127,7 @@ func api(ctx *gin.Context) {
 	apiResp := apischema.ApiResp{
 		ResponseData: results,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	}
 
 	ss.Respond(apiResp)
diff --git a/internal/handler/api/award/info.go b/internal/handler/api/award/info.go
index a39232c..73df50a 100644
--- a/internal/handler/api/award/info.go
+++ b/internal/handler/api/award/info.go
@@ -3,6 +3,7 @@ package award
 import (
 	awardapischema "honoka-chan/internal/schema/api/award"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -40,7 +41,7 @@ func awardInfo(ctx *gin.Context) (res any, err error) {
 		Result: awardapischema.InfoData{
 			AwardInfo: awardsList,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/background/info.go b/internal/handler/api/background/info.go
index d922afd..a643cfb 100644
--- a/internal/handler/api/background/info.go
+++ b/internal/handler/api/background/info.go
@@ -3,6 +3,7 @@ package background
 import (
 	backgroundapischema "honoka-chan/internal/schema/api/background"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -40,7 +41,7 @@ func backgroundInfo(ctx *gin.Context) (res any, err error) {
 		Result: backgroundapischema.InfoData{
 			BackgroundInfo: backgroundsList,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/banner/list.go b/internal/handler/api/banner/list.go
index 0b1a083..fb8a81b 100644
--- a/internal/handler/api/banner/list.go
+++ b/internal/handler/api/banner/list.go
@@ -2,6 +2,7 @@ package banner
 
 import (
 	bannerapischema "honoka-chan/internal/schema/api/banner"
+	"net/http"
 	"time"
 )
 
@@ -63,7 +64,7 @@ func bannerList() (res any, err error) {
 				},
 			},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/challenge/info.go b/internal/handler/api/challenge/info.go
index d214195..ebe430e 100644
--- a/internal/handler/api/challenge/info.go
+++ b/internal/handler/api/challenge/info.go
@@ -2,13 +2,14 @@ package challenge
 
 import (
 	challengeapischema "honoka-chan/internal/schema/api/challenge"
+	"net/http"
 	"time"
 )
 
 func challengeInfo() (res any, err error) {
 	res = challengeapischema.InfoResp{
 		Result:     []any{},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/costume/list.go b/internal/handler/api/costume/list.go
index 40f9dbc..0033545 100644
--- a/internal/handler/api/costume/list.go
+++ b/internal/handler/api/costume/list.go
@@ -2,6 +2,7 @@ package costume
 
 import (
 	costumeapischema "honoka-chan/internal/schema/api/costume"
+	"net/http"
 	"time"
 )
 
@@ -10,7 +11,7 @@ func costumeList() (res any, err error) {
 		Result: costumeapischema.ListData{
 			CostumeList: []costumeapischema.CostumeList{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/eventscenario/status.go b/internal/handler/api/eventscenario/status.go
index 0038df8..1ceb2c7 100644
--- a/internal/handler/api/eventscenario/status.go
+++ b/internal/handler/api/eventscenario/status.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	eventscenarioapischema "honoka-chan/internal/schema/api/eventscenario"
 	"honoka-chan/internal/session"
+	"net/http"
 	"strings"
 	"time"
 
@@ -71,7 +72,7 @@ func eventScenarioStatus(ctx *gin.Context) (res any, err error) {
 		Result: eventscenarioapischema.StatusData{
 			EventScenarioList: eventsList,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/exchange/owningpoint.go b/internal/handler/api/exchange/owningpoint.go
index 6be051a..0711525 100644
--- a/internal/handler/api/exchange/owningpoint.go
+++ b/internal/handler/api/exchange/owningpoint.go
@@ -3,6 +3,7 @@ package exchange
 import (
 	exchangeapischema "honoka-chan/internal/schema/api/exchange"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -28,7 +29,7 @@ func owningPoint(ctx *gin.Context) (res any, err error) {
 		Result: exchangeapischema.OwningPointData{
 			ExchangePointList: exPointsList,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/item/list.go b/internal/handler/api/item/list.go
index 6b621e8..19e1964 100644
--- a/internal/handler/api/item/list.go
+++ b/internal/handler/api/item/list.go
@@ -3,6 +3,7 @@ package item
 import (
 	itemapischema "honoka-chan/internal/schema/api/item"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 )
 
@@ -14,7 +15,7 @@ func itemList() (res any, err error) {
 
 	res = itemapischema.ListResp{
 		Result:     itemData,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/live/schedule.go b/internal/handler/api/live/schedule.go
index a9ae498..81c9cf1 100644
--- a/internal/handler/api/live/schedule.go
+++ b/internal/handler/api/live/schedule.go
@@ -3,6 +3,7 @@ package live
 import (
 	liveapischema "honoka-chan/internal/schema/api/live"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -36,7 +37,7 @@ func liveSchedule(ctx *gin.Context) (res any, err error) {
 			FreeLiveList:           []any{},
 			TrainingLiveList:       []liveapischema.TrainingLiveList{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/live/status.go b/internal/handler/api/live/status.go
index e094687..95a8013 100644
--- a/internal/handler/api/live/status.go
+++ b/internal/handler/api/live/status.go
@@ -3,6 +3,7 @@ package live
 import (
 	liveapischema "honoka-chan/internal/schema/api/live"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -46,7 +47,7 @@ func liveStatus(ctx *gin.Context) (res any, err error) {
 			FreeLiveStatusList:     []any{},
 			CanResumeLive:          true,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/liveicon/info.go b/internal/handler/api/liveicon/info.go
index 6138c2c..cb3d298 100644
--- a/internal/handler/api/liveicon/info.go
+++ b/internal/handler/api/liveicon/info.go
@@ -2,6 +2,7 @@ package liveicon
 
 import (
 	liveiconapischema "honoka-chan/internal/schema/api/liveicon"
+	"net/http"
 	"time"
 )
 
@@ -10,7 +11,7 @@ func liveIconInfo() (res any, err error) {
 		Result: liveiconapischema.InfoData{
 			LiveNotesIconList: []int{1, 2, 3},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/livese/info.go b/internal/handler/api/livese/info.go
index c2e2fc6..35b4c01 100644
--- a/internal/handler/api/livese/info.go
+++ b/internal/handler/api/livese/info.go
@@ -2,6 +2,7 @@ package livese
 
 import (
 	liveseapischema "honoka-chan/internal/schema/api/livese"
+	"net/http"
 	"time"
 )
 
@@ -10,7 +11,7 @@ func LiveSeInfo() (res any, err error) {
 		Result: liveseapischema.InfoData{
 			LiveSeList: []int{1, 2, 3},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/login/topinfo.go b/internal/handler/api/login/topinfo.go
index bf9f0ec..2113ba2 100644
--- a/internal/handler/api/login/topinfo.go
+++ b/internal/handler/api/login/topinfo.go
@@ -4,6 +4,7 @@ import (
 	usermodel "honoka-chan/internal/model/user"
 	loginapischema "honoka-chan/internal/schema/api/login"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -68,7 +69,7 @@ func loginTopInfo(ctx *gin.Context) (res any, err error) {
 			AdFlag:            false,
 			HasAdReward:       false,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  now.Unix(),
 	}
diff --git a/internal/handler/api/login/topinfoonce.go b/internal/handler/api/login/topinfoonce.go
index 6c47d20..9d6d7fd 100644
--- a/internal/handler/api/login/topinfoonce.go
+++ b/internal/handler/api/login/topinfoonce.go
@@ -3,6 +3,7 @@ package login
 import (
 	loginapischema "honoka-chan/internal/schema/api/login"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -36,7 +37,7 @@ func loginTopInfoOnce(ctx *gin.Context) (res any, err error) {
 			ArenaSiSkillUniqueCheck: true,
 			OpenV98:                 true,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/marathon/info.go b/internal/handler/api/marathon/info.go
index 2fdab8c..e4167a0 100644
--- a/internal/handler/api/marathon/info.go
+++ b/internal/handler/api/marathon/info.go
@@ -2,13 +2,14 @@ package marathon
 
 import (
 	marathonapischema "honoka-chan/internal/schema/api/marathon"
+	"net/http"
 	"time"
 )
 
 func marathonInfo() (res any, err error) {
 	res = marathonapischema.InfoResp{
 		Result:     []any{},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/multiunit/scenariostatus.go b/internal/handler/api/multiunit/scenariostatus.go
index 054c00f..d39d679 100644
--- a/internal/handler/api/multiunit/scenariostatus.go
+++ b/internal/handler/api/multiunit/scenariostatus.go
@@ -3,6 +3,7 @@ package multiunit
 import (
 	multiunitapischema "honoka-chan/internal/schema/api/multiunit"
 	"honoka-chan/internal/session"
+	"net/http"
 	"strings"
 	"time"
 
@@ -53,7 +54,7 @@ func MultiUnitScenarioStatus(ctx *gin.Context) (res any, err error) {
 			MultiUnitScenarioStatusList:  multiUnitsList,
 			UnlockedMultiUnitScenarioIds: []any{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/museum/info.go b/internal/handler/api/museum/info.go
index aaf9816..8cfef9b 100644
--- a/internal/handler/api/museum/info.go
+++ b/internal/handler/api/museum/info.go
@@ -3,6 +3,7 @@ package museum
 import (
 	museumapischema "honoka-chan/internal/schema/api/museum"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -42,7 +43,7 @@ func museumInfo(ctx *gin.Context) (res any, err error) {
 				ContentsIDList: museumID,
 			},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/navigation/specialcutin.go b/internal/handler/api/navigation/specialcutin.go
index 998524f..f708d90 100644
--- a/internal/handler/api/navigation/specialcutin.go
+++ b/internal/handler/api/navigation/specialcutin.go
@@ -2,6 +2,7 @@ package navigation
 
 import (
 	navigationapischema "honoka-chan/internal/schema/api/navigation"
+	"net/http"
 	"time"
 )
 
@@ -10,7 +11,7 @@ func SpecialCutin() (res any, err error) {
 		Result: navigationapischema.SpecialCutinData{
 			SpecialCutinList: []any{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/notice/marquee.go b/internal/handler/api/notice/marquee.go
index 16aa61e..b8f74d4 100644
--- a/internal/handler/api/notice/marquee.go
+++ b/internal/handler/api/notice/marquee.go
@@ -2,6 +2,7 @@ package notice
 
 import (
 	noticeapischema "honoka-chan/internal/schema/api/notice"
+	"net/http"
 	"time"
 )
 
@@ -11,7 +12,7 @@ func noticeMarquee() (res any, err error) {
 			ItemCount:   0,
 			MarqueeList: []any{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/payment/productlist.go b/internal/handler/api/payment/productlist.go
index 436bedf..797333d 100644
--- a/internal/handler/api/payment/productlist.go
+++ b/internal/handler/api/payment/productlist.go
@@ -3,6 +3,7 @@ package payment
 import (
 	paymentapischema "honoka-chan/internal/schema/api/payment"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -27,7 +28,7 @@ func productList(ctx *gin.Context) (res any, err error) {
 			SubscriptionList: []paymentapischema.Subscription{},
 			ShowPointShop:    false,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/profile/cardranking.go b/internal/handler/api/profile/cardranking.go
index 6aba65b..0dd74ca 100644
--- a/internal/handler/api/profile/cardranking.go
+++ b/internal/handler/api/profile/cardranking.go
@@ -3,6 +3,7 @@ package profile
 import (
 	profileapischema "honoka-chan/internal/schema/api/profile"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 )
 
@@ -14,7 +15,7 @@ func cardRanking() (res any, err error) {
 
 	res = profileapischema.CardRankingResp{
 		Result:     cardRankingData,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/profile/info.go b/internal/handler/api/profile/info.go
index 37da0a5..3d67769 100644
--- a/internal/handler/api/profile/info.go
+++ b/internal/handler/api/profile/info.go
@@ -6,6 +6,7 @@ import (
 	usermodel "honoka-chan/internal/model/user"
 	profileapischema "honoka-chan/internal/schema/api/profile"
 	"honoka-chan/internal/session"
+	"net/http"
 	"strconv"
 	"time"
 
@@ -89,7 +90,7 @@ func profileInfo(ctx *gin.Context, targetUserID int) (res any, err error) {
 			SettingAwardID:      targetPref.AwardID,
 			SettingBackgroundID: targetPref.BackgroundID,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/profile/livecnt.go b/internal/handler/api/profile/livecnt.go
index 9859101..84a4c5a 100644
--- a/internal/handler/api/profile/livecnt.go
+++ b/internal/handler/api/profile/livecnt.go
@@ -4,6 +4,7 @@ import (
 	usermodel "honoka-chan/internal/model/user"
 	profileapischema "honoka-chan/internal/schema/api/profile"
 	"honoka-chan/internal/session"
+	"net/http"
 	"sort"
 	"time"
 
@@ -82,7 +83,7 @@ func liveCnt(ctx *gin.Context, targetUserID int) (res any, err error) {
 
 	res = profileapischema.LiveCntResp{
 		Result:     result,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/reward/history.go b/internal/handler/api/reward/history.go
index 50feb60..d931082 100644
--- a/internal/handler/api/reward/history.go
+++ b/internal/handler/api/reward/history.go
@@ -2,6 +2,7 @@ package reward
 
 import (
 	rewardapischema "honoka-chan/internal/schema/api/reward"
+	"net/http"
 	"time"
 )
 
@@ -12,7 +13,7 @@ func rewardHistory() (res any, err error) {
 			Limit:     20,
 			History:   []any{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/reward/list.go b/internal/handler/api/reward/list.go
index 313c101..7b54c12 100644
--- a/internal/handler/api/reward/list.go
+++ b/internal/handler/api/reward/list.go
@@ -2,6 +2,7 @@ package reward
 
 import (
 	rewardapischema "honoka-chan/internal/schema/api/reward"
+	"net/http"
 	"time"
 )
 
@@ -13,7 +14,7 @@ func rewardList() (res any, err error) {
 			Order:     0,
 			Items:     []any{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/scenario/status.go b/internal/handler/api/scenario/status.go
index ff6b638..e8c155a 100644
--- a/internal/handler/api/scenario/status.go
+++ b/internal/handler/api/scenario/status.go
@@ -3,6 +3,7 @@ package scenario
 import (
 	scenarioapischema "honoka-chan/internal/schema/api/scenario"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -28,7 +29,7 @@ func scenarioStatus(ctx *gin.Context) (res any, err error) {
 		Result: scenarioapischema.StatusData{
 			ScenarioStatusList: scenarioLists,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/secretbox/all.go b/internal/handler/api/secretbox/all.go
index 9a5d4bd..d15ee13 100644
--- a/internal/handler/api/secretbox/all.go
+++ b/internal/handler/api/secretbox/all.go
@@ -3,6 +3,7 @@ package secretbox
 import (
 	secretboxapischema "honoka-chan/internal/schema/api/secretbox"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 )
 
@@ -35,7 +36,7 @@ func all() (res any, err error) {
 
 	res = secretboxapischema.AllResp{
 		Result:     secretBoxData,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/stamp/info.go b/internal/handler/api/stamp/info.go
index c491606..dc02762 100644
--- a/internal/handler/api/stamp/info.go
+++ b/internal/handler/api/stamp/info.go
@@ -3,6 +3,7 @@ package stamp
 import (
 	stampapischema "honoka-chan/internal/schema/api/stamp"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 )
 
@@ -14,7 +15,7 @@ func stampInfo() (res any, err error) {
 
 	res = stampapischema.InfoResp{
 		Result:     stampData,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/subscenario/status.go b/internal/handler/api/subscenario/status.go
index a418fcf..1febf18 100644
--- a/internal/handler/api/subscenario/status.go
+++ b/internal/handler/api/subscenario/status.go
@@ -3,6 +3,7 @@ package subscenario
 import (
 	subscenarioapischema "honoka-chan/internal/schema/api/subscenario"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -29,7 +30,7 @@ func subscenarioStatus(ctx *gin.Context) (res any, err error) {
 			SubscenarioStatusList:  subScenarioLists,
 			UnlockedSubscenarioIds: []any{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/accessoryall.go b/internal/handler/api/unit/accessoryall.go
index 2f3ec89..6459dd0 100644
--- a/internal/handler/api/unit/accessoryall.go
+++ b/internal/handler/api/unit/accessoryall.go
@@ -3,6 +3,7 @@ package unit
 import (
 	unitapischema "honoka-chan/internal/schema/api/unit"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -34,7 +35,7 @@ func unitAccessoryAll(ctx *gin.Context) (res any, err error) {
 			WearingInfo:        wearingInfo,
 			EspecialCreateFlag: false,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/accessorymaterialall.go b/internal/handler/api/unit/accessorymaterialall.go
index 474215f..eb2d1a4 100644
--- a/internal/handler/api/unit/accessorymaterialall.go
+++ b/internal/handler/api/unit/accessorymaterialall.go
@@ -2,13 +2,14 @@ package unit
 
 import (
 	unitapischema "honoka-chan/internal/schema/api/unit"
+	"net/http"
 	"time"
 )
 
 func unitAccessoryMaterialAll() (res any, err error) {
 	res = unitapischema.AccessoryMaterialAllResp{
 		Result:     unitapischema.AccessoryMaterialAllData{},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/accessorytab.go b/internal/handler/api/unit/accessorytab.go
index 0bb0fe6..3fd9d1f 100644
--- a/internal/handler/api/unit/accessorytab.go
+++ b/internal/handler/api/unit/accessorytab.go
@@ -3,6 +3,7 @@ package unit
 import (
 	unitapischema "honoka-chan/internal/schema/api/unit"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 )
 
@@ -16,7 +17,7 @@ func unitAccessoryTab() (res any, err error) {
 		Result: unitapischema.AccessoryTabData{
 			TabList: tabList,
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/all.go b/internal/handler/api/unit/all.go
index f89315f..da7663e 100644
--- a/internal/handler/api/unit/all.go
+++ b/internal/handler/api/unit/all.go
@@ -4,6 +4,7 @@ import (
 	unitmodel "honoka-chan/internal/model/unit"
 	unitapischema "honoka-chan/internal/schema/api/unit"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -55,7 +56,7 @@ func unitAll(ctx *gin.Context) (res any, err error) {
 			Active:  unitsData,
 			Waiting: []unitapischema.Waiting{},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/deckinfo.go b/internal/handler/api/unit/deckinfo.go
index 7575985..3ab4500 100644
--- a/internal/handler/api/unit/deckinfo.go
+++ b/internal/handler/api/unit/deckinfo.go
@@ -3,6 +3,7 @@ package unit
 import (
 	unitapischema "honoka-chan/internal/schema/api/unit"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -46,7 +47,7 @@ func unitDeckInfo(ctx *gin.Context) (res any, err error) {
 	}
 	res = unitapischema.DeckInfoResp{
 		Result:     unitDeckInfo,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/removableskillinfo.go b/internal/handler/api/unit/removableskillinfo.go
index edb0da5..78ef8a1 100644
--- a/internal/handler/api/unit/removableskillinfo.go
+++ b/internal/handler/api/unit/removableskillinfo.go
@@ -3,6 +3,7 @@ package unit
 import (
 	unitapischema "honoka-chan/internal/schema/api/unit"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -67,7 +68,7 @@ func unitRemovableSkillInfo(ctx *gin.Context) (res any, err error) {
 			OwningInfo:    owingInfo,
 			EquipmentInfo: equipInfo,
 		}, // 宝石
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/unit/supporterall.go b/internal/handler/api/unit/supporterall.go
index 1d2dc05..818959a 100644
--- a/internal/handler/api/unit/supporterall.go
+++ b/internal/handler/api/unit/supporterall.go
@@ -2,6 +2,7 @@ package unit
 
 import (
 	unitapischema "honoka-chan/internal/schema/api/unit"
+	"net/http"
 	"time"
 )
 
@@ -10,7 +11,7 @@ func unitSupporterAll() (res any, err error) {
 		Result: unitapischema.SupporterAllData{
 			UnitSupportList: []unitapischema.SupporterList{},
 		}, // 练习道具
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/user/getnavi.go b/internal/handler/api/user/getnavi.go
index 5cc5f79..406f799 100644
--- a/internal/handler/api/user/getnavi.go
+++ b/internal/handler/api/user/getnavi.go
@@ -3,6 +3,7 @@ package user
 import (
 	userapischema "honoka-chan/internal/schema/api/user"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -24,7 +25,7 @@ func userGetNavi(ctx *gin.Context) (res any, err error) {
 				UnitOwningUserID: oID,
 			},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/api/user/info.go b/internal/handler/api/user/info.go
index 3936b78..6e232f4 100644
--- a/internal/handler/api/user/info.go
+++ b/internal/handler/api/user/info.go
@@ -4,6 +4,7 @@ import (
 	userapischema "honoka-chan/internal/schema/api/user"
 	userschema "honoka-chan/internal/schema/user"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -20,7 +21,7 @@ func userInfo(ctx *gin.Context) (res any, err error) {
 				BirthDay:   ss.UserPref.EffectiveBirthDay(),
 			},
 		},
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}
diff --git a/internal/handler/award/set.go b/internal/handler/award/set.go
index da2fca3..ec5e41b 100644
--- a/internal/handler/award/set.go
+++ b/internal/handler/award/set.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	awardschema "honoka-chan/internal/schema/award"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 	"github.com/tidwall/gjson"
@@ -28,7 +29,7 @@ func set(ctx *gin.Context) {
 	ss.Respond(awardschema.SetResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/background/set.go b/internal/handler/background/set.go
index 36d705d..53b6a8f 100644
--- a/internal/handler/background/set.go
+++ b/internal/handler/background/set.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	backgroundschema "honoka-chan/internal/schema/background"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 	"github.com/tidwall/gjson"
@@ -28,7 +29,7 @@ func set(ctx *gin.Context) {
 	ss.Respond(backgroundschema.SetResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/banner/list.go b/internal/handler/banner/list.go
index 06c63a9..397df28 100644
--- a/internal/handler/banner/list.go
+++ b/internal/handler/banner/list.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/middleware"
 	"honoka-chan/internal/router"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -33,7 +34,7 @@ func list(ctx *gin.Context) {
 	ss.Respond(bannerResp{
 		ResponseData: extractBannerResult(data),
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/download/additional.go b/internal/handler/download/additional.go
index 9457562..07f7678 100644
--- a/internal/handler/download/additional.go
+++ b/internal/handler/download/additional.go
@@ -8,6 +8,7 @@ import (
 	downloadschema "honoka-chan/internal/schema/download"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -42,7 +43,7 @@ func additional(ctx *gin.Context) {
 	ss.Respond(downloadschema.AdditionalResp{
 		ResponseData: pkgList,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/download/batch.go b/internal/handler/download/batch.go
index 9c24cfa..9a4b7b7 100644
--- a/internal/handler/download/batch.go
+++ b/internal/handler/download/batch.go
@@ -8,6 +8,7 @@ import (
 	downloadschema "honoka-chan/internal/schema/download"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 	"xorm.io/builder"
@@ -57,7 +58,7 @@ func batch(ctx *gin.Context) {
 	ss.Respond(downloadschema.BatchResp{
 		ResponseData: pkgList,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/download/event.go b/internal/handler/download/event.go
index f0e973f..c1e4fc5 100644
--- a/internal/handler/download/event.go
+++ b/internal/handler/download/event.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	downloadschema "honoka-chan/internal/schema/download"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -16,7 +17,7 @@ func event(ctx *gin.Context) {
 	ss.Respond(downloadschema.EventResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/download/geturl.go b/internal/handler/download/geturl.go
index e6fab4c..ee227e1 100644
--- a/internal/handler/download/geturl.go
+++ b/internal/handler/download/geturl.go
@@ -8,6 +8,7 @@ import (
 	downloadschema "honoka-chan/internal/schema/download"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"strings"
 
 	"github.com/gin-gonic/gin"
@@ -34,7 +35,7 @@ func getUrl(ctx *gin.Context) {
 			UrlList: urlList,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/download/update.go b/internal/handler/download/update.go
index 0e8ecfe..af200ac 100644
--- a/internal/handler/download/update.go
+++ b/internal/handler/download/update.go
@@ -64,7 +64,7 @@ func update(ctx *gin.Context) {
 	ss.Respond(downloadschema.UpdateResp{
 		ResponseData: pkgList,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/event/list.go b/internal/handler/event/list.go
index bf55a68..4c7f1f8 100644
--- a/internal/handler/event/list.go
+++ b/internal/handler/event/list.go
@@ -28,7 +28,7 @@ func list(ctx *gin.Context) {
 			ErrorCode: constant.ErrorCodeEventNoEventData,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  600,
+		StatusCode:  constant.ErrorCodeAcceptableError,
 	})
 }
 
diff --git a/internal/handler/eventscenario/startup.go b/internal/handler/eventscenario/startup.go
index 70ad516..1f4ee55 100644
--- a/internal/handler/eventscenario/startup.go
+++ b/internal/handler/eventscenario/startup.go
@@ -6,6 +6,7 @@ import (
 	eventscenarioschema "honoka-chan/internal/schema/eventscenario"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -23,7 +24,7 @@ func startup(ctx *gin.Context) {
 	ss.Respond(eventscenarioschema.StartUpResp{
 		ResponseData: eventscenarioschema.StartUpData{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/friend/expel.go b/internal/handler/friend/expel.go
index 04aff7d..060eb08 100644
--- a/internal/handler/friend/expel.go
+++ b/internal/handler/friend/expel.go
@@ -7,6 +7,7 @@ import (
 	friendschema "honoka-chan/internal/schema/friend"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -45,7 +46,7 @@ func expel(ctx *gin.Context) {
 	ss.Respond(friendschema.ExpelResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/friend/list.go b/internal/handler/friend/list.go
index 3b4c6b5..f0deb6e 100644
--- a/internal/handler/friend/list.go
+++ b/internal/handler/friend/list.go
@@ -9,6 +9,7 @@ import (
 	friendschema "honoka-chan/internal/schema/friend"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"strconv"
 	"time"
 
@@ -121,7 +122,7 @@ func list(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/friend/request.go b/internal/handler/friend/request.go
index 1982af7..5d495a4 100644
--- a/internal/handler/friend/request.go
+++ b/internal/handler/friend/request.go
@@ -8,6 +8,7 @@ import (
 	friendschema "honoka-chan/internal/schema/friend"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -41,7 +42,7 @@ func request(ctx *gin.Context) {
 				IsFriend: true,
 			},
 			ReleaseInfo: []any{},
-			StatusCode:  200,
+			StatusCode:  http.StatusOK,
 		})
 		return
 	}
@@ -75,7 +76,7 @@ func request(ctx *gin.Context) {
 				IsFriend: true,
 			},
 			ReleaseInfo: []any{},
-			StatusCode:  200,
+			StatusCode:  http.StatusOK,
 		})
 		return
 	}
@@ -94,7 +95,7 @@ func request(ctx *gin.Context) {
 			IsFriend: false,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/friend/requestcancel.go b/internal/handler/friend/requestcancel.go
index ce6efb5..c1b40ef 100644
--- a/internal/handler/friend/requestcancel.go
+++ b/internal/handler/friend/requestcancel.go
@@ -7,6 +7,7 @@ import (
 	friendschema "honoka-chan/internal/schema/friend"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -54,7 +55,7 @@ func requestCancel(ctx *gin.Context) {
 			IsFriend: isFriend,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/friend/response.go b/internal/handler/friend/response.go
index 161c061..2ad3207 100644
--- a/internal/handler/friend/response.go
+++ b/internal/handler/friend/response.go
@@ -8,6 +8,7 @@ import (
 	friendschema "honoka-chan/internal/schema/friend"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -59,7 +60,7 @@ func response(ctx *gin.Context) {
 	ss.Respond(friendschema.ResponseResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/friend/search.go b/internal/handler/friend/search.go
index efe4931..8c0ce38 100644
--- a/internal/handler/friend/search.go
+++ b/internal/handler/friend/search.go
@@ -9,6 +9,7 @@ import (
 	friendschema "honoka-chan/internal/schema/friend"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -112,7 +113,7 @@ func search(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/gdpr/get.go b/internal/handler/gdpr/get.go
index 0b13ba3..540eb77 100644
--- a/internal/handler/gdpr/get.go
+++ b/internal/handler/gdpr/get.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	gdprschema "honoka-chan/internal/schema/gdpr"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -21,7 +22,7 @@ func get(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/greet/delete.go b/internal/handler/greet/delete.go
index 63f1628..32481c8 100644
--- a/internal/handler/greet/delete.go
+++ b/internal/handler/greet/delete.go
@@ -2,6 +2,7 @@ package greet
 
 import (
 	"errors"
+	"net/http"
 
 	"honoka-chan/internal/middleware"
 	usermodel "honoka-chan/internal/model/user"
@@ -57,7 +58,7 @@ func deleteMail(ctx *gin.Context) {
 	ss.Respond(greetschema.EmptyResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/greet/user.go b/internal/handler/greet/user.go
index bbc29f2..d72a02a 100644
--- a/internal/handler/greet/user.go
+++ b/internal/handler/greet/user.go
@@ -2,6 +2,7 @@ package greet
 
 import (
 	"errors"
+	"net/http"
 	"strings"
 	"time"
 
@@ -76,7 +77,7 @@ func user(ctx *gin.Context) {
 	ss.Respond(greetschema.EmptyResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/lbonus/execute.go b/internal/handler/lbonus/execute.go
index 0e32f67..bba97c0 100644
--- a/internal/handler/lbonus/execute.go
+++ b/internal/handler/lbonus/execute.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	lbonusschema "honoka-chan/internal/schema/lbonus"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -148,7 +149,7 @@ func execute(ctx *gin.Context) {
 			PresentCnt:       0,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 
 	ss.Respond(resp)
diff --git a/internal/handler/live/continue.go b/internal/handler/live/continue.go
index 3a87534..61dfb2f 100644
--- a/internal/handler/live/continue.go
+++ b/internal/handler/live/continue.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	liveschema "honoka-chan/internal/schema/live"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -25,7 +26,7 @@ func BuildContinueResp(ss *session.Session) liveschema.ContinueResp {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 }
 
diff --git a/internal/handler/live/gameover.go b/internal/handler/live/gameover.go
index 103227f..7fa63a1 100644
--- a/internal/handler/live/gameover.go
+++ b/internal/handler/live/gameover.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	liveschema "honoka-chan/internal/schema/live"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -25,7 +26,7 @@ func BuildGameOverResp() liveschema.GameOverResp {
 	return liveschema.GameOverResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	}
 }
 
diff --git a/internal/handler/live/partylist.go b/internal/handler/live/partylist.go
index f7f5ad7..7506f21 100644
--- a/internal/handler/live/partylist.go
+++ b/internal/handler/live/partylist.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	liveschema "honoka-chan/internal/schema/live"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -22,7 +23,7 @@ func partyList(ctx *gin.Context) {
 	ss.Respond(liveschema.PartyListResp{
 		ResponseData: partyListData,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/live/play.go b/internal/handler/live/play.go
index d8f3b56..59c6762 100644
--- a/internal/handler/live/play.go
+++ b/internal/handler/live/play.go
@@ -8,6 +8,7 @@ import (
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
 	"math"
+	"net/http"
 	"strconv"
 	"time"
 
@@ -322,7 +323,7 @@ func BuildPlayResp(ss *session.Session, playReq liveschema.PlayReq, isRandom boo
 			ServerTimestamp:     time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}, nil
 }
 
diff --git a/internal/handler/live/precisescore.go b/internal/handler/live/precisescore.go
index 86ac327..5e1a550 100644
--- a/internal/handler/live/precisescore.go
+++ b/internal/handler/live/precisescore.go
@@ -10,6 +10,7 @@ import (
 	liverecordschema "honoka-chan/internal/schema/liverecord"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -88,7 +89,7 @@ func preciseScore(ctx *gin.Context) {
 				ServerTimestamp:   time.Now().Unix(),
 			},
 			ReleaseInfo: []any{},
-			StatusCode:  200,
+			StatusCode:  http.StatusOK,
 		}
 	} else {
 		// 如果有 Live 记录
@@ -181,7 +182,7 @@ func preciseScore(ctx *gin.Context) {
 					ServerTimestamp:   time.Now().Unix(),
 				},
 				ReleaseInfo: []any{},
-				StatusCode:  200,
+				StatusCode:  http.StatusOK,
 			}
 		} else {
 			playResp = liveschema.PreciseScoreResp{
@@ -189,7 +190,7 @@ func preciseScore(ctx *gin.Context) {
 					ErrorCode: constant.ErrorCodeLivePreciseListNotFound,
 				},
 				ReleaseInfo: []any{},
-				StatusCode:  600,
+				StatusCode:  constant.ErrorCodeAcceptableError,
 			}
 		}
 	}
diff --git a/internal/handler/live/reward.go b/internal/handler/live/reward.go
index bc7db2c..b590228 100644
--- a/internal/handler/live/reward.go
+++ b/internal/handler/live/reward.go
@@ -9,6 +9,7 @@ import (
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
 	"honoka-chan/pkg/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -172,7 +173,7 @@ func BuildRewardResp(ss *session.Session, playRewardReq liveschema.RewardReq, is
 			PresentCnt:                   0,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 
 	if playRewardReq.MaxCombo >= liveInfo.SRankCombo {
diff --git a/internal/handler/login/authkey.go b/internal/handler/login/authkey.go
index c79aff1..6a54ef8 100644
--- a/internal/handler/login/authkey.go
+++ b/internal/handler/login/authkey.go
@@ -9,6 +9,7 @@ import (
 	"honoka-chan/internal/session"
 	"honoka-chan/pkg/encrypt"
 	utils "honoka-chan/pkg/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -51,7 +52,7 @@ func authKey(ctx *gin.Context) {
 			DummyToken:     serverToken,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/login/login.go b/internal/handler/login/login.go
index ced9d65..d6feccb 100644
--- a/internal/handler/login/login.go
+++ b/internal/handler/login/login.go
@@ -10,6 +10,7 @@ import (
 	"honoka-chan/internal/session"
 	"honoka-chan/pkg/encrypt"
 	"honoka-chan/pkg/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -81,7 +82,7 @@ func login(ctx *gin.Context) {
 			AdultFlag:       2,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/multiunit/scenariostartup.go b/internal/handler/multiunit/scenariostartup.go
index ec84661..0a80b22 100644
--- a/internal/handler/multiunit/scenariostartup.go
+++ b/internal/handler/multiunit/scenariostartup.go
@@ -6,6 +6,7 @@ import (
 	multiunitschema "honoka-chan/internal/schema/multiunit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -28,7 +29,7 @@ func scenarioStartup(ctx *gin.Context) {
 			ServerTimestamp:     time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/museum/info.go b/internal/handler/museum/info.go
index cd87c79..9bd19f0 100644
--- a/internal/handler/museum/info.go
+++ b/internal/handler/museum/info.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	museumschema "honoka-chan/internal/schema/museum"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -46,7 +47,7 @@ func info(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 
 	ss.Respond(museumResp)
diff --git a/internal/handler/notice/friendgreeting.go b/internal/handler/notice/friendgreeting.go
index cc64b2e..89a1591 100644
--- a/internal/handler/notice/friendgreeting.go
+++ b/internal/handler/notice/friendgreeting.go
@@ -7,6 +7,7 @@ import (
 	noticeschema "honoka-chan/internal/schema/notice"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -80,7 +81,7 @@ func friendGreeting(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/notice/friendvariety.go b/internal/handler/notice/friendvariety.go
index 721f68b..a5aedd4 100644
--- a/internal/handler/notice/friendvariety.go
+++ b/internal/handler/notice/friendvariety.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	noticeschema "honoka-chan/internal/schema/notice"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -21,7 +22,7 @@ func friendVariety(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/notice/usergreetinghistory.go b/internal/handler/notice/usergreetinghistory.go
index e8e55c4..0416fde 100644
--- a/internal/handler/notice/usergreetinghistory.go
+++ b/internal/handler/notice/usergreetinghistory.go
@@ -7,6 +7,7 @@ import (
 	noticeschema "honoka-chan/internal/schema/notice"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -68,7 +69,7 @@ func userGreetingHistory(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/payment/productlist.go b/internal/handler/payment/productlist.go
index bfaf23c..2d8bcc4 100644
--- a/internal/handler/payment/productlist.go
+++ b/internal/handler/payment/productlist.go
@@ -6,6 +6,7 @@ import (
 	paymentapischema "honoka-chan/internal/schema/api/payment"
 	paymentschema "honoka-chan/internal/schema/payment"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -33,7 +34,7 @@ func productList(ctx *gin.Context) {
 			ServerTimestamp:  time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 
 	ss.Respond(prodResp)
diff --git a/internal/handler/personalnotice/get.go b/internal/handler/personalnotice/get.go
index b6b0b0a..f2e9baf 100644
--- a/internal/handler/personalnotice/get.go
+++ b/internal/handler/personalnotice/get.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	personalnoticeschema "honoka-chan/internal/schema/personalnotice"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -24,7 +25,7 @@ func get(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 
 	ss.Respond(noticeResp)
diff --git a/internal/handler/profile/register.go b/internal/handler/profile/register.go
index bab47c7..72016b2 100644
--- a/internal/handler/profile/register.go
+++ b/internal/handler/profile/register.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	profileschema "honoka-chan/internal/schema/profile"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 	"github.com/tidwall/gjson"
@@ -28,7 +29,7 @@ func register(ctx *gin.Context) {
 	ss.Respond(profileschema.RegisterResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/ranking/live.go b/internal/handler/ranking/live.go
index c602b1a..d909272 100644
--- a/internal/handler/ranking/live.go
+++ b/internal/handler/ranking/live.go
@@ -9,6 +9,7 @@ import (
 	rankingschema "honoka-chan/internal/schema/ranking"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
@@ -103,7 +104,7 @@ func live(ctx *gin.Context) {
 			Page:       page,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/reward/history.go b/internal/handler/reward/history.go
index 048fc51..81eb8f8 100644
--- a/internal/handler/reward/history.go
+++ b/internal/handler/reward/history.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	rewardschema "honoka-chan/internal/schema/reward"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -20,7 +21,7 @@ func history(ctx *gin.Context) {
 			History:   []any{},
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/reward/list.go b/internal/handler/reward/list.go
index d6c082e..8c99e61 100644
--- a/internal/handler/reward/list.go
+++ b/internal/handler/reward/list.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	rewardschema "honoka-chan/internal/schema/reward"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -21,7 +22,7 @@ func list(ctx *gin.Context) {
 			Items:     []any{},
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/reward/sellunit.go b/internal/handler/reward/sellunit.go
index 29611d0..f277df4 100644
--- a/internal/handler/reward/sellunit.go
+++ b/internal/handler/reward/sellunit.go
@@ -20,7 +20,7 @@ func sellUnit(ctx *gin.Context) {
 			ErrorCode: constant.ErrorCodeNoUnitIsSellable,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  600,
+		StatusCode:  constant.ErrorCodeAcceptableError,
 	})
 }
 
diff --git a/internal/handler/rlive/lot.go b/internal/handler/rlive/lot.go
index d946a6d..b728b03 100644
--- a/internal/handler/rlive/lot.go
+++ b/internal/handler/rlive/lot.go
@@ -12,6 +12,7 @@ import (
 	honokautils "honoka-chan/internal/utils"
 	pkgutils "honoka-chan/pkg/utils"
 	"math/big"
+	"net/http"
 	"os"
 	"path/filepath"
 	"time"
@@ -67,7 +68,7 @@ func lot(ctx *gin.Context) {
 			Token:             randomLive.Token,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/scenario/startup.go b/internal/handler/scenario/startup.go
index 3911eee..f44dc22 100644
--- a/internal/handler/scenario/startup.go
+++ b/internal/handler/scenario/startup.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	scenarioschema "honoka-chan/internal/schema/scenario"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -28,7 +29,7 @@ func startup(ctx *gin.Context) {
 			ServerTimestamp:    time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/secretbox/multi.go b/internal/handler/secretbox/multi.go
index fb0dde8..f9b7275 100644
--- a/internal/handler/secretbox/multi.go
+++ b/internal/handler/secretbox/multi.go
@@ -6,6 +6,7 @@ import (
 	secretboxschema "honoka-chan/internal/schema/secretbox"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -28,7 +29,7 @@ func multi(ctx *gin.Context) {
 	ss.Respond(secretboxschema.MultiResp{
 		ResponseData: data,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/secretbox/pon.go b/internal/handler/secretbox/pon.go
index 564300d..292f119 100644
--- a/internal/handler/secretbox/pon.go
+++ b/internal/handler/secretbox/pon.go
@@ -10,6 +10,7 @@ import (
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
 	"math/rand"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -33,7 +34,7 @@ func pon(ctx *gin.Context) {
 	ss.Respond(secretboxschema.PonResp{
 		ResponseData: data,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/secretbox/secretbox.go b/internal/handler/secretbox/secretbox.go
index 8d13758..05ea220 100644
--- a/internal/handler/secretbox/secretbox.go
+++ b/internal/handler/secretbox/secretbox.go
@@ -7,6 +7,7 @@ import (
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
 	"honoka-chan/pkg/db"
+	"net/http"
 	"sort"
 	"time"
 )
@@ -21,7 +22,7 @@ func loadSecretBoxAllData() (secretboxapischema.AllResp, error) {
 
 	return secretboxapischema.AllResp{
 		Result:     data,
-		Status:     200,
+		Status:     http.StatusOK,
 		CommandNum: false,
 		TimeStamp:  time.Now().Unix(),
 	}, nil
diff --git a/internal/handler/secretbox/showdetail.go b/internal/handler/secretbox/showdetail.go
index 47b0cf3..6dfd87a 100644
--- a/internal/handler/secretbox/showdetail.go
+++ b/internal/handler/secretbox/showdetail.go
@@ -7,6 +7,7 @@ import (
 	secretboxschema "honoka-chan/internal/schema/secretbox"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -29,7 +30,7 @@ func showDetail(ctx *gin.Context) {
 	ss.Respond(secretboxschema.ShowDetailResp{
 		ResponseData: data,
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/subscenario/startup.go b/internal/handler/subscenario/startup.go
index 5716d62..b75a066 100644
--- a/internal/handler/subscenario/startup.go
+++ b/internal/handler/subscenario/startup.go
@@ -6,6 +6,7 @@ import (
 	subscenarioschema "honoka-chan/internal/schema/subscenario"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -28,7 +29,7 @@ func startup(ctx *gin.Context) {
 			ServerTimestamp:    time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/tos/check.go b/internal/handler/tos/check.go
index ebd5f5b..9d12baf 100644
--- a/internal/handler/tos/check.go
+++ b/internal/handler/tos/check.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	tosschema "honoka-chan/internal/schema/tos"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -22,7 +23,7 @@ func check(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/deck.go b/internal/handler/unit/deck.go
index 7849a95..6b217d7 100644
--- a/internal/handler/unit/deck.go
+++ b/internal/handler/unit/deck.go
@@ -9,6 +9,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -101,7 +102,7 @@ func deck(ctx *gin.Context) {
 	ss.Respond(unitschema.DeckResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/deckname.go b/internal/handler/unit/deckname.go
index b9387a5..95851b6 100644
--- a/internal/handler/unit/deckname.go
+++ b/internal/handler/unit/deckname.go
@@ -7,6 +7,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -40,7 +41,7 @@ func deckName(ctx *gin.Context) {
 	ss.Respond(unitschema.DeckResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/favorite.go b/internal/handler/unit/favorite.go
index abf5be6..17933e1 100644
--- a/internal/handler/unit/favorite.go
+++ b/internal/handler/unit/favorite.go
@@ -7,6 +7,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -33,7 +34,7 @@ func favorite(ctx *gin.Context) {
 	ss.Respond(unitschema.FavoriteResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/favoriteaccessory.go b/internal/handler/unit/favoriteaccessory.go
index 9530c01..07c0c35 100644
--- a/internal/handler/unit/favoriteaccessory.go
+++ b/internal/handler/unit/favoriteaccessory.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/middleware"
 	"honoka-chan/internal/router"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -24,7 +25,7 @@ func favoriteAccessory(ctx *gin.Context) {
 	ss.Respond(SetResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/removableskillequipment.go b/internal/handler/unit/removableskillequipment.go
index 1c4d284..27fc50c 100644
--- a/internal/handler/unit/removableskillequipment.go
+++ b/internal/handler/unit/removableskillequipment.go
@@ -6,6 +6,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -48,7 +49,7 @@ func removableSkillEquipment(ctx *gin.Context) {
 	ss.Respond(unitschema.RemovableSkillEquipmentResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/sale.go b/internal/handler/unit/sale.go
index b16a030..cc98c1d 100644
--- a/internal/handler/unit/sale.go
+++ b/internal/handler/unit/sale.go
@@ -7,6 +7,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -90,7 +91,7 @@ func sale(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/setdisplayrank.go b/internal/handler/unit/setdisplayrank.go
index 18e755f..53fccb6 100644
--- a/internal/handler/unit/setdisplayrank.go
+++ b/internal/handler/unit/setdisplayrank.go
@@ -7,6 +7,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -33,7 +34,7 @@ func setDisplayRank(ctx *gin.Context) {
 	ss.Respond(unitschema.SetDisplayRankResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/unit/wearaccessory.go b/internal/handler/unit/wearaccessory.go
index b38d585..8796231 100644
--- a/internal/handler/unit/wearaccessory.go
+++ b/internal/handler/unit/wearaccessory.go
@@ -8,6 +8,7 @@ import (
 	unitschema "honoka-chan/internal/schema/unit"
 	"honoka-chan/internal/session"
 	honokautils "honoka-chan/internal/utils"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -62,7 +63,7 @@ func wearAccessory(ctx *gin.Context) {
 	ss.Respond(unitschema.WearAccessoryResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/user/changename.go b/internal/handler/user/changename.go
index 23ba9d5..d5f00e3 100644
--- a/internal/handler/user/changename.go
+++ b/internal/handler/user/changename.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	userschema "honoka-chan/internal/schema/user"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -38,7 +39,7 @@ func changeName(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/user/changenavi.go b/internal/handler/user/changenavi.go
index e41d05a..1b46748 100644
--- a/internal/handler/user/changenavi.go
+++ b/internal/handler/user/changenavi.go
@@ -6,6 +6,7 @@ import (
 	"honoka-chan/internal/router"
 	userschema "honoka-chan/internal/schema/user"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 	"github.com/tidwall/gjson"
@@ -27,7 +28,7 @@ func changeNavi(ctx *gin.Context) {
 	ss.Respond(userschema.ChangeNaviResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/user/setnotificationtoken.go b/internal/handler/user/setnotificationtoken.go
index 6b97a70..2a03d54 100644
--- a/internal/handler/user/setnotificationtoken.go
+++ b/internal/handler/user/setnotificationtoken.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	userschema "honoka-chan/internal/schema/user"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -16,7 +17,7 @@ func setNotificationToken(ctx *gin.Context) {
 	ss.Respond(userschema.SetNotificationTokenResp{
 		ResponseData: []any{},
 		ReleaseInfo:  []any{},
-		StatusCode:   200,
+		StatusCode:   http.StatusOK,
 	})
 }
 
diff --git a/internal/handler/user/userinfo.go b/internal/handler/user/userinfo.go
index fbefd0e..2b9950c 100644
--- a/internal/handler/user/userinfo.go
+++ b/internal/handler/user/userinfo.go
@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	userschema "honoka-chan/internal/schema/user"
 	"honoka-chan/internal/session"
+	"net/http"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -24,7 +25,7 @@ func userInfo(ctx *gin.Context) {
 			ServerTimestamp: time.Now().Unix(),
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	}
 
 	ss.Respond(userResp)
diff --git a/internal/middleware/common.go b/internal/middleware/common.go
index abe1ac0..abaa1bd 100644
--- a/internal/middleware/common.go
+++ b/internal/middleware/common.go
@@ -3,6 +3,7 @@ package middleware
 import (
 	"fmt"
 	"honoka-chan/internal/session"
+	honokautils "honoka-chan/internal/utils"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -31,7 +32,7 @@ func Common(ctx *gin.Context) {
 
 	if ctx.Request.URL.Path != "/login/authkey" && ctx.Request.URL.Path != "/login/login" {
 		if ss.UserPref.ForceRelogin {
-			ctx.AbortWithStatus(http.StatusNotFound)
+			honokautils.AbortMaintenanceJSON(ctx, http.StatusNotFound, honokautils.NewNotFoundContent(ctx.Request.URL.String()))
 			return
 		}
 	}
@@ -39,7 +40,7 @@ func Common(ctx *gin.Context) {
 	authorize := ctx.GetHeader("Authorize")
 	params, err := url.ParseQuery(authorize)
 	if err != nil {
-		ctx.AbortWithStatus(http.StatusNotFound)
+		honokautils.AbortMaintenanceJSON(ctx, http.StatusNotFound, honokautils.NewNotFoundContent(ctx.Request.URL.String()))
 		return
 	}
 
@@ -58,7 +59,7 @@ func Common(ctx *gin.Context) {
 	ctx.Header("server_version", "20120129")
 	ctx.Header("Server-Version", "97.4.6")
 	ctx.Header("version_up", "0")
-	ctx.Header("status_code", "200")
+	ctx.Header("status_code", strconv.Itoa(http.StatusOK))
 
 	ctx.Next()
 }
diff --git a/internal/middleware/recovery.go b/internal/middleware/recovery.go
new file mode 100644
index 0000000..5de12a5
--- /dev/null
+++ b/internal/middleware/recovery.go
@@ -0,0 +1,40 @@
+package middleware
+
+import (
+	"honoka-chan/internal/session"
+	honokautils "honoka-chan/internal/utils"
+	"log"
+	"net/http"
+	"runtime/debug"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Recovery() gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		defer func() {
+			recovered := recover()
+			if recovered == nil {
+				return
+			}
+
+			stack := debug.Stack()
+			log.Printf("panic serving %s %s: %v\n%s", ctx.Request.Method, ctx.Request.URL.String(), recovered, stack)
+
+			if !honokautils.IsMainPHPRequest(ctx.Request.URL.Path) {
+				ctx.AbortWithStatus(http.StatusInternalServerError)
+				return
+			}
+
+			content := honokautils.NewPanicContent(recovered, stack)
+			if value, ok := ctx.Get("session"); ok {
+				value.(*session.Session).AbortWithStatus(http.StatusInternalServerError, content)
+				return
+			}
+
+			honokautils.AbortMaintenanceJSON(ctx, http.StatusInternalServerError, content)
+		}()
+
+		ctx.Next()
+	}
+}
diff --git a/internal/router/router.go b/internal/router/router.go
index d0af0d2..42baca0 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -2,9 +2,7 @@
 package router
 
 import (
-	"honoka-chan/internal/constant"
-	commonschema "honoka-chan/internal/schema/common"
-	"honoka-chan/internal/session"
+	honokautils "honoka-chan/internal/utils"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -113,16 +111,12 @@ func SifRouter(r *gin.Engine) {
 	})
 
 	notFoundHandler := func(ctx *gin.Context) {
-		ss := session.Attach(ctx)
-		defer ss.Finalize()
+		if !honokautils.IsMainPHPRequest(ctx.Request.URL.Path) {
+			ctx.AbortWithStatus(http.StatusNotFound)
+			return
+		}
 
-		ss.Respond(commonschema.ErrorResp{
-			ResponseData: commonschema.ErrorData{
-				ErrorCode: constant.ErrorCodeUnknown,
-			},
-			ReleaseInfo: []any{},
-			StatusCode:  600,
-		})
+		honokautils.AbortMaintenanceJSON(ctx, http.StatusNotFound, honokautils.NewNotFoundContent(ctx.Request.URL.String()))
 	}
 	r.NoRoute(notFoundHandler)
 	r.NoMethod(notFoundHandler)
diff --git a/internal/session/session.go b/internal/session/session.go
index f66795d..0b9b129 100644
--- a/internal/session/session.go
+++ b/internal/session/session.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	usermodel "honoka-chan/internal/model/user"
+	honokautils "honoka-chan/internal/utils"
 	"honoka-chan/pkg/db"
 	"honoka-chan/pkg/encrypt"
 	"log"
@@ -81,24 +82,19 @@ func (ss *Session) Finalize() {
 	}
 	ss.done = true
 
-	if ss.MainEng != nil {
-		ss.MainEng.Close()
-		ss.MainEng = nil
-	}
-
 	if ss.UserEng == nil {
+		ss.closeMainSession()
 		return
 	}
 
 	if err := ss.UserEng.Commit(); err != nil {
 		log.Println(err.Error())
-		ss.UserEng.Close()
-		ss.UserEng = nil
-		ss.resp.writeJSON(500, gin.H{"error": err.Error()})
-		ss.resp.abort()
+		ss.closeAllSessions(false)
+		ss.respondError(http.StatusInternalServerError, honokautils.NewInternalErrorContent(err))
 		return
 	}
 
+	ss.closeMainSession()
 	ss.UserEng.Close()
 	ss.UserEng = nil
 }
@@ -107,23 +103,25 @@ func (ss *Session) Abort(err error) {
 	if ss.done {
 		return
 	}
-	ss.done = true
 
-	if ss.MainEng != nil {
-		ss.MainEng.Close()
-		ss.MainEng = nil
-	}
-	if ss.UserEng != nil {
-		ss.UserEng.Rollback()
-		ss.UserEng.Close()
-		ss.UserEng = nil
-	}
+	msg := ss.formatAbortMessage(err)
+	log.Println(msg)
+	ss.abortWithContent(http.StatusInternalServerError, honokautils.NewErrorContent("SessionAbort", msg))
+}
 
-	skip := 1
-	if pc, _, _, ok := runtime.Caller(1); ok {
+func (ss *Session) AbortWithStatus(status int, content any) {
+	if ss.done {
+		return
+	}
+	ss.abortWithContent(status, content)
+}
+
+func (ss *Session) formatAbortMessage(err error) string {
+	skip := 2
+	if pc, _, _, ok := runtime.Caller(2); ok {
 		fn := runtime.FuncForPC(pc)
 		if fn != nil && strings.HasSuffix(fn.Name(), ".(*Session).CheckErr") {
-			skip = 2
+			skip = 3
 		}
 	}
 	loc := "unknown"
@@ -135,11 +133,7 @@ func (ss *Session) Abort(err error) {
 		}
 		loc = fmt.Sprintf("%s:%d (%s)", file, line, funcName)
 	}
-	msg := fmt.Sprintf("[%s] %s", loc, err.Error())
-	log.Println(msg)
-
-	ss.resp.writeJSON(500, gin.H{"error": msg})
-	ss.resp.abort()
+	return fmt.Sprintf("[%s] %s", loc, err.Error())
 }
 
 func (ss *Session) CheckErr(err error) bool {
@@ -161,3 +155,33 @@ func (ss *Session) Respond(resp any) {
 	ss.resp.setHeader("X-Message-Sign", base64.StdEncoding.EncodeToString(encrypt.RSASignSHA1(data)))
 	ss.resp.writeBody(http.StatusOK, string(data))
 }
+
+func (ss *Session) abortWithContent(status int, content any) {
+	ss.done = true
+	ss.closeAllSessions(true)
+	ss.respondError(status, content)
+}
+
+func (ss *Session) respondError(status int, content any) {
+	honokautils.WriteMaintenanceJSON(ss.resp.setHeader, ss.resp.writeJSON, status, content)
+	ss.resp.abort()
+}
+
+func (ss *Session) closeAllSessions(rollbackUser bool) {
+	ss.closeMainSession()
+	if ss.UserEng == nil {
+		return
+	}
+	if rollbackUser {
+		_ = ss.UserEng.Rollback()
+	}
+	ss.UserEng.Close()
+	ss.UserEng = nil
+}
+
+func (ss *Session) closeMainSession() {
+	if ss.MainEng != nil {
+		ss.MainEng.Close()
+		ss.MainEng = nil
+	}
+}
diff --git a/internal/utils/error.go b/internal/utils/error.go
index bca00f0..7f7192d 100644
--- a/internal/utils/error.go
+++ b/internal/utils/error.go
@@ -1,6 +1,15 @@
 package honokautils
 
-import "errors"
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
 
 type UnimplementedError struct {
 	Kind   string
@@ -35,3 +44,82 @@ func IsUnimplementedError(err error) bool {
 	var target *UnimplementedError
 	return err != nil && errors.As(err, &target)
 }
+
+const maintenanceHeader = "Maintenance"
+
+type ErrorContent struct {
+	Detail    string   `json:"detail,omitempty"`
+	Exception string   `json:"exception,omitempty"`
+	Message   string   `json:"message,omitempty"`
+	Traceback []string `json:"traceback,omitempty"`
+}
+
+func IsMainPHPRequest(path string) bool {
+	return path == "/main.php" || strings.HasPrefix(path, "/main.php/")
+}
+
+func WriteMaintenanceJSON(setHeader func(string, string), writeJSON func(int, any), status int, content any) {
+	setHeader("Content-Type", "application/json; charset=utf-8")
+	setHeader("status_code", strconv.Itoa(status))
+	setHeader(maintenanceHeader, "1")
+	writeJSON(status, content)
+}
+
+func AbortMaintenanceJSON(ctx *gin.Context, status int, content any) {
+	WriteMaintenanceJSON(ctx.Header, ctx.JSON, status, content)
+	ctx.Abort()
+}
+
+func NewDetailContent(detail string) ErrorContent {
+	return ErrorContent{
+		Detail: detail,
+	}
+}
+
+func NewNotFoundContent(path string) ErrorContent {
+	return NewDetailContent(fmt.Sprintf("Endpoint not found: %s", path))
+}
+
+func NewInternalErrorContent(err error) ErrorContent {
+	return ErrorContent{
+		Exception: exceptionName(err),
+		Message:   err.Error(),
+	}
+}
+
+func NewErrorContent(exception, message string) ErrorContent {
+	return ErrorContent{
+		Exception: exception,
+		Message:   message,
+	}
+}
+
+func NewPanicContent(recovered any, stack []byte) ErrorContent {
+	return ErrorContent{
+		Exception: "panic",
+		Message:   fmt.Sprint(recovered),
+		Traceback: splitLines(stack),
+	}
+}
+
+func exceptionName(err error) string {
+	if err == nil {
+		return http.StatusText(http.StatusInternalServerError)
+	}
+
+	typ := reflect.TypeOf(err)
+	if typ.Kind() == reflect.Pointer {
+		typ = typ.Elem()
+	}
+	if name := typ.Name(); name != "" {
+		return name
+	}
+	return typ.String()
+}
+
+func splitLines(stack []byte) []string {
+	if len(stack) == 0 {
+		return nil
+	}
+	return strings.Split(strings.TrimSpace(string(stack)), "\n")
+}
diff --git a/main.go b/main.go
index 0b5c879..9741aa7 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"honoka-chan/config"
 	_ "honoka-chan/internal/handler"
+	"honoka-chan/internal/middleware"
 	"honoka-chan/internal/router"
 	"honoka-chan/internal/startup"
 	"honoka-chan/pkg/db"
@@ -48,6 +49,7 @@ func main() {
 			"/v1/account/reportRole",
 		},
 	}))
+	r.Use(middleware.Recovery())
 
 	// SIF
 	router.SifRouter(r)