diff --git a/internal/dao/cache/bigcache.go b/internal/dao/cache/bigcache.go
index 1fb5130f..5a9f779b 100644
--- a/internal/dao/cache/bigcache.go
+++ b/internal/dao/cache/bigcache.go
@@ -9,8 +9,6 @@ import (
 	"github.com/allegro/bigcache/v3"
 )
 
-var _ tweetsCache = (*bigCacheTweetsCache)(nil)
-
 type bigCacheTweetsCache struct {
 	bc *bigcache.BigCache
 }
diff --git a/internal/dao/cache/constraint.go b/internal/dao/cache/constraint.go
new file mode 100644
index 00000000..bc42072c
--- /dev/null
+++ b/internal/dao/cache/constraint.go
@@ -0,0 +1,20 @@
+//go:build constraint
+
+package cache
+
+import (
+	"github.com/rocboss/paopao-ce/internal/core"
+)
+
+var (
+	_ tweetsCache = (*bigCacheTweetsCache)(nil)
+
+	_ core.RedisCache = (*redisCache)(nil)
+	_ tweetsCache     = (*redisCacheTweetsCache)(nil)
+
+	_ core.CacheIndexService = (*noneCacheIndexServant)(nil)
+	_ core.VersionInfo       = (*noneCacheIndexServant)(nil)
+
+	_ core.CacheIndexService = (*simpleCacheIndexServant)(nil)
+	_ core.VersionInfo       = (*simpleCacheIndexServant)(nil)
+)
diff --git a/internal/dao/cache/none.go b/internal/dao/cache/none.go
index 079c453b..0b165ed6 100644
--- a/internal/dao/cache/none.go
+++ b/internal/dao/cache/none.go
@@ -12,11 +12,6 @@ import (
 	"github.com/rocboss/paopao-ce/pkg/debug"
 )
 
-var (
-	_ core.CacheIndexService = (*noneCacheIndexServant)(nil)
-	_ core.VersionInfo       = (*noneCacheIndexServant)(nil)
-)
-
 type noneCacheIndexServant struct {
 	ips core.IndexPostsService
 }
diff --git a/internal/dao/cache/redis.go b/internal/dao/cache/redis.go
index 0e106c5a..8b466e8c 100644
--- a/internal/dao/cache/redis.go
+++ b/internal/dao/cache/redis.go
@@ -12,12 +12,6 @@ import (
 
 	"github.com/Masterminds/semver/v3"
 	"github.com/redis/rueidis"
-	"github.com/rocboss/paopao-ce/internal/core"
-)
-
-var (
-	_ core.RedisCache = (*redisCache)(nil)
-	_ tweetsCache     = (*redisCacheTweetsCache)(nil)
 )
 
 const (
diff --git a/internal/dao/cache/simple.go b/internal/dao/cache/simple.go
index a1c230d3..fb6ea951 100644
--- a/internal/dao/cache/simple.go
+++ b/internal/dao/cache/simple.go
@@ -16,11 +16,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.CacheIndexService = (*simpleCacheIndexServant)(nil)
-	_ core.VersionInfo       = (*simpleCacheIndexServant)(nil)
-)
-
 type simpleCacheIndexServant struct {
 	ips core.IndexPostsService
 
diff --git a/internal/dao/jinzhu/constraint.go b/internal/dao/jinzhu/constraint.go
new file mode 100644
index 00000000..eb65e121
--- /dev/null
+++ b/internal/dao/jinzhu/constraint.go
@@ -0,0 +1,13 @@
+//go:build constraint
+
+package jinzhu
+
+import "github.com/rocboss/paopao-ce/internal/core"
+
+var (
+	_ core.DataService = (*dataSrv)(nil)
+	_ core.VersionInfo = (*dataSrv)(nil)
+
+	_ core.WebDataServantA = (*webDataSrvA)(nil)
+	_ core.VersionInfo     = (*webDataSrvA)(nil)
+)
diff --git a/internal/dao/jinzhu/jinzhu.go b/internal/dao/jinzhu/jinzhu.go
index 16b6d64a..444cb141 100644
--- a/internal/dao/jinzhu/jinzhu.go
+++ b/internal/dao/jinzhu/jinzhu.go
@@ -18,15 +18,7 @@ import (
 	"github.com/rocboss/paopao-ce/internal/dao/security"
 )
 
-var (
-	_ core.DataService = (*dataSrv)(nil)
-	_ core.VersionInfo = (*dataSrv)(nil)
-
-	_ core.WebDataServantA = (*webDataSrvA)(nil)
-	_ core.VersionInfo     = (*webDataSrvA)(nil)
-
-	_onceInitial sync.Once
-)
+var _onceInitial sync.Once
 
 type dataSrv struct {
 	core.WalletService
diff --git a/internal/dao/search/bridge.go b/internal/dao/search/bridge.go
index 43028c95..60b0f99a 100644
--- a/internal/dao/search/bridge.go
+++ b/internal/dao/search/bridge.go
@@ -12,8 +12,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ core.TweetSearchService = (*bridgeTweetSearchServant)(nil)
-
 type documents struct {
 	primaryKey  []string
 	docItems    []core.TsDocItem
diff --git a/internal/dao/search/constraint.go b/internal/dao/search/constraint.go
new file mode 100644
index 00000000..5af8ee94
--- /dev/null
+++ b/internal/dao/search/constraint.go
@@ -0,0 +1,15 @@
+//go:build constraint
+
+package search
+
+import "github.com/rocboss/paopao-ce/internal/core"
+
+var (
+	_ core.TweetSearchService = (*bridgeTweetSearchServant)(nil)
+
+	_ core.TweetSearchService = (*meiliTweetSearchServant)(nil)
+	_ core.VersionInfo        = (*meiliTweetSearchServant)(nil)
+
+	_ core.TweetSearchService = (*zincTweetSearchServant)(nil)
+	_ core.VersionInfo        = (*zincTweetSearchServant)(nil)
+)
diff --git a/internal/dao/search/meili.go b/internal/dao/search/meili.go
index 74391ef3..70bad1ca 100644
--- a/internal/dao/search/meili.go
+++ b/internal/dao/search/meili.go
@@ -16,11 +16,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.TweetSearchService = (*meiliTweetSearchServant)(nil)
-	_ core.VersionInfo        = (*meiliTweetSearchServant)(nil)
-)
-
 type meiliTweetSearchServant struct {
 	tweetSearchFilter
 
diff --git a/internal/dao/search/zinc.go b/internal/dao/search/zinc.go
index 91f74b42..4dd688c9 100644
--- a/internal/dao/search/zinc.go
+++ b/internal/dao/search/zinc.go
@@ -15,11 +15,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.TweetSearchService = (*zincTweetSearchServant)(nil)
-	_ core.VersionInfo        = (*zincTweetSearchServant)(nil)
-)
-
 type zincTweetSearchServant struct {
 	tweetSearchFilter
 
diff --git a/internal/dao/security/attachment_check.go b/internal/dao/security/attachment_check.go
index 591554e8..706621ac 100644
--- a/internal/dao/security/attachment_check.go
+++ b/internal/dao/security/attachment_check.go
@@ -12,8 +12,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/core"
 )
 
-var _ core.AttachmentCheckService = (*attachmentCheckServant)(nil)
-
 type attachmentCheckServant struct {
 	domain string
 }
diff --git a/internal/dao/security/constraint.go b/internal/dao/security/constraint.go
new file mode 100644
index 00000000..1172e157
--- /dev/null
+++ b/internal/dao/security/constraint.go
@@ -0,0 +1,12 @@
+//go:build constraint
+
+package security
+
+import (
+	"github.com/rocboss/paopao-ce/internal/core"
+)
+
+var (
+	_ core.AttachmentCheckService = (*attachmentCheckServant)(nil)
+	_ core.PhoneVerifyService     = (*juheSmsServant)(nil)
+)
diff --git a/internal/dao/security/phone_verify_juhe.go b/internal/dao/security/phone_verify_juhe.go
index 25dfd553..efc246d4 100644
--- a/internal/dao/security/phone_verify_juhe.go
+++ b/internal/dao/security/phone_verify_juhe.go
@@ -7,13 +7,10 @@ import (
 
 	"github.com/cockroachdb/errors"
 	"github.com/rocboss/paopao-ce/internal/conf"
-	"github.com/rocboss/paopao-ce/internal/core"
 	"github.com/rocboss/paopao-ce/pkg/json"
 	"gopkg.in/resty.v1"
 )
 
-var _ core.PhoneVerifyService = (*juheSmsServant)(nil)
-
 type juhePhoneCaptchaRsp struct {
 	ErrorCode int    `json:"error_code"`
 	Reason    string `json:"reason"`
diff --git a/internal/dao/storage/alioss.go b/internal/dao/storage/alioss.go
index e72fa44c..3d6ead5f 100644
--- a/internal/dao/storage/alioss.go
+++ b/internal/dao/storage/alioss.go
@@ -16,14 +16,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.ObjectStorageService = (*aliossServant)(nil)
-	_ core.OssCreateService     = (*aliossCreateServant)(nil)
-	_ core.OssCreateService     = (*aliossCreateRetentionServant)(nil)
-	_ core.OssCreateService     = (*aliossCreateTempDirServant)(nil)
-	_ core.VersionInfo          = (*aliossServant)(nil)
-)
-
 type aliossCreateServant struct {
 	bucket *oss.Bucket
 	domain string
diff --git a/internal/dao/storage/constraint.go b/internal/dao/storage/constraint.go
new file mode 100644
index 00000000..416d2e36
--- /dev/null
+++ b/internal/dao/storage/constraint.go
@@ -0,0 +1,37 @@
+//go:build constraint
+
+package storage
+
+import (
+	"github.com/rocboss/paopao-ce/internal/core"
+)
+
+var (
+	_ core.ObjectStorageService = (*aliossServant)(nil)
+	_ core.OssCreateService     = (*aliossCreateServant)(nil)
+	_ core.OssCreateService     = (*aliossCreateRetentionServant)(nil)
+	_ core.OssCreateService     = (*aliossCreateTempDirServant)(nil)
+	_ core.VersionInfo          = (*aliossServant)(nil)
+
+	_ core.ObjectStorageService = (*cosServant)(nil)
+	_ core.OssCreateService     = (*cosCreateServant)(nil)
+	_ core.OssCreateService     = (*cosCreateTempDirServant)(nil)
+	_ core.VersionInfo          = (*cosServant)(nil)
+
+	_ core.ObjectStorageService = (*huaweiobsServant)(nil)
+	_ core.OssCreateService     = (*hwobsCreateServant)(nil)
+	_ core.OssCreateService     = (*hwobsCreateRetentionServant)(nil)
+	_ core.OssCreateService     = (*hwobsCreateTempDirServant)(nil)
+	_ core.VersionInfo          = (*huaweiobsServant)(nil)
+
+	_ core.ObjectStorageService = (*localossServant)(nil)
+	_ core.OssCreateService     = (*localossCreateServant)(nil)
+	_ core.OssCreateService     = (*localossCreateTempDirServant)(nil)
+	_ core.VersionInfo          = (*localossServant)(nil)
+
+	_ core.ObjectStorageService = (*minioServant)(nil)
+	_ core.OssCreateService     = (*minioCreateServant)(nil)
+	_ core.OssCreateService     = (*minioCreateRetentionServant)(nil)
+	_ core.OssCreateService     = (*minioCreateTempDirServant)(nil)
+	_ core.VersionInfo          = (*minioServant)(nil)
+)
diff --git a/internal/dao/storage/cos.go b/internal/dao/storage/cos.go
index bb2790f4..3582deec 100644
--- a/internal/dao/storage/cos.go
+++ b/internal/dao/storage/cos.go
@@ -19,13 +19,6 @@ import (
 	"github.com/tencentyun/cos-go-sdk-v5"
 )
 
-var (
-	_ core.ObjectStorageService = (*cosServant)(nil)
-	_ core.OssCreateService     = (*cosCreateServant)(nil)
-	_ core.OssCreateService     = (*cosCreateTempDirServant)(nil)
-	_ core.VersionInfo          = (*cosServant)(nil)
-)
-
 type cosCreateServant struct {
 	client *cos.Client
 	domain string
diff --git a/internal/dao/storage/huaweiobs.go b/internal/dao/storage/huaweiobs.go
index 7db9818b..ea225da4 100644
--- a/internal/dao/storage/huaweiobs.go
+++ b/internal/dao/storage/huaweiobs.go
@@ -15,14 +15,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.ObjectStorageService = (*huaweiobsServant)(nil)
-	_ core.OssCreateService     = (*hwobsCreateServant)(nil)
-	_ core.OssCreateService     = (*hwobsCreateRetentionServant)(nil)
-	_ core.OssCreateService     = (*hwobsCreateTempDirServant)(nil)
-	_ core.VersionInfo          = (*huaweiobsServant)(nil)
-)
-
 type hwobsCreateServant struct {
 	client *obs.ObsClient
 	bucket string
diff --git a/internal/dao/storage/localoss.go b/internal/dao/storage/localoss.go
index d110b371..6359a9fc 100644
--- a/internal/dao/storage/localoss.go
+++ b/internal/dao/storage/localoss.go
@@ -18,13 +18,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.ObjectStorageService = (*localossServant)(nil)
-	_ core.OssCreateService     = (*localossCreateServant)(nil)
-	_ core.OssCreateService     = (*localossCreateTempDirServant)(nil)
-	_ core.VersionInfo          = (*localossServant)(nil)
-)
-
 type localossCreateServant struct {
 	savePath string
 	domain   string
diff --git a/internal/dao/storage/minio.go b/internal/dao/storage/minio.go
index 028e331a..9220eda8 100644
--- a/internal/dao/storage/minio.go
+++ b/internal/dao/storage/minio.go
@@ -17,14 +17,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ core.ObjectStorageService = (*minioServant)(nil)
-	_ core.OssCreateService     = (*minioCreateServant)(nil)
-	_ core.OssCreateService     = (*minioCreateRetentionServant)(nil)
-	_ core.OssCreateService     = (*minioCreateTempDirServant)(nil)
-	_ core.VersionInfo          = (*minioServant)(nil)
-)
-
 type minioCreateServant struct {
 	client *minio.Client
 	bucket string
diff --git a/internal/servants/admin/constraint.go b/internal/servants/admin/constraint.go
new file mode 100644
index 00000000..24aa29b2
--- /dev/null
+++ b/internal/servants/admin/constraint.go
@@ -0,0 +1,9 @@
+//go:build constraint
+
+package admin
+
+import (
+	api "github.com/rocboss/paopao-ce/auto/api/m/v1"
+)
+
+var _ api.User = (*userSrv)(nil)
diff --git a/internal/servants/admin/user.go b/internal/servants/admin/user.go
index 1233e715..92679de4 100644
--- a/internal/servants/admin/user.go
+++ b/internal/servants/admin/user.go
@@ -9,8 +9,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants/base"
 )
 
-var _ api.User = (*userSrv)(nil)
-
 type userSrv struct {
 	*base.BaseServant
 	api.UnimplementedUserServant
diff --git a/internal/servants/bot/constraint.go b/internal/servants/bot/constraint.go
new file mode 100644
index 00000000..e0306280
--- /dev/null
+++ b/internal/servants/bot/constraint.go
@@ -0,0 +1,9 @@
+//go:build constraint
+
+package bot
+
+import (
+	api "github.com/rocboss/paopao-ce/auto/api/r/v1"
+)
+
+var _ api.User = (*userSrv)(nil)
diff --git a/internal/servants/bot/user.go b/internal/servants/bot/user.go
index 714f299b..80d10387 100644
--- a/internal/servants/bot/user.go
+++ b/internal/servants/bot/user.go
@@ -9,8 +9,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants/base"
 )
 
-var _ api.User = (*userSrv)(nil)
-
 type userSrv struct {
 	*base.BaseServant
 	api.UnimplementedUserServant
diff --git a/internal/servants/localoss/constraint.go b/internal/servants/localoss/constraint.go
new file mode 100644
index 00000000..e955aa14
--- /dev/null
+++ b/internal/servants/localoss/constraint.go
@@ -0,0 +1,9 @@
+//go:build constraint
+
+package localoss
+
+import (
+	api "github.com/rocboss/paopao-ce/auto/api/s/v1"
+)
+
+var _ api.User = (*userSrv)(nil)
diff --git a/internal/servants/localoss/user.go b/internal/servants/localoss/user.go
index d0cfe93e..167f38f9 100644
--- a/internal/servants/localoss/user.go
+++ b/internal/servants/localoss/user.go
@@ -9,8 +9,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants/base"
 )
 
-var _ api.User = (*userSrv)(nil)
-
 type userSrv struct {
 	*base.BaseServant
 	api.UnimplementedUserServant
diff --git a/internal/servants/mobile/constraint.go b/internal/servants/mobile/constraint.go
new file mode 100644
index 00000000..5cf9a2fd
--- /dev/null
+++ b/internal/servants/mobile/constraint.go
@@ -0,0 +1,9 @@
+//go:build constraint
+
+package mobile
+
+import (
+	api "github.com/rocboss/paopao-ce/auto/rpc/greet/v1"
+)
+
+var _ api.GreetServiceServer = (*greetServiceSrv)(nil)
diff --git a/internal/servants/mobile/greet.go b/internal/servants/mobile/greet.go
index 0e5a1f10..3fd30653 100644
--- a/internal/servants/mobile/greet.go
+++ b/internal/servants/mobile/greet.go
@@ -8,8 +8,6 @@ import (
 	api "github.com/rocboss/paopao-ce/auto/rpc/greet/v1"
 )
 
-var _ api.GreetServiceServer = (*greetServiceSrv)(nil)
-
 type greetServiceSrv struct {
 	api.UnimplementedGreetServiceServer
 }
diff --git a/internal/servants/space/constraint.go b/internal/servants/space/constraint.go
new file mode 100644
index 00000000..a0e26dc6
--- /dev/null
+++ b/internal/servants/space/constraint.go
@@ -0,0 +1,9 @@
+//go:build constraint
+
+package space
+
+import (
+	api "github.com/rocboss/paopao-ce/auto/api/x/v1"
+)
+
+var _ api.User = (*userSrv)(nil)
diff --git a/internal/servants/space/user.go b/internal/servants/space/user.go
index c83b98d1..f2075530 100644
--- a/internal/servants/space/user.go
+++ b/internal/servants/space/user.go
@@ -9,8 +9,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants/base"
 )
 
-var _ api.User = (*userSrv)(nil)
-
 type userSrv struct {
 	*base.BaseServant
 	api.UnimplementedUserServant
diff --git a/internal/servants/web/admin.go b/internal/servants/web/admin.go
index f38d4aaf..0b393cba 100644
--- a/internal/servants/web/admin.go
+++ b/internal/servants/web/admin.go
@@ -18,8 +18,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Admin = (*adminSrv)(nil)
-
 type adminSrv struct {
 	api.UnimplementedAdminServant
 	*base.DaoServant
diff --git a/internal/servants/web/alipay.go b/internal/servants/web/alipay.go
index 1fed1408..3734d2d9 100644
--- a/internal/servants/web/alipay.go
+++ b/internal/servants/web/alipay.go
@@ -16,11 +16,6 @@ import (
 	"github.com/smartwalle/alipay/v3"
 )
 
-var (
-	_ api.AlipayPub  = (*alipayPubSrv)(nil)
-	_ api.AlipayPriv = (*alipayPrivSrv)(nil)
-)
-
 type alipayPubSrv struct {
 	api.UnimplementedAlipayPubServant
 	*base.DaoServant
diff --git a/internal/servants/web/constraint.go b/internal/servants/web/constraint.go
new file mode 100644
index 00000000..cd46137b
--- /dev/null
+++ b/internal/servants/web/constraint.go
@@ -0,0 +1,23 @@
+//go:build constraint
+
+package web
+
+import (
+	api "github.com/rocboss/paopao-ce/auto/api/v1"
+)
+
+var (
+	_ api.Admin      = (*adminSrv)(nil)
+	_ api.AlipayPub  = (*alipayPubSrv)(nil)
+	_ api.AlipayPriv = (*alipayPrivSrv)(nil)
+	_ api.Core       = (*coreSrv)(nil)
+	_ api.Followship = (*followshipSrv)(nil)
+	_ api.Friendship = (*friendshipSrv)(nil)
+	_ api.Loose      = (*looseSrv)(nil)
+	_ api.Pub        = (*pubSrv)(nil)
+	_ api.Relax      = (*relaxSrv)(nil)
+	_ api.Site       = (*siteSrv)(nil)
+	_ api.Trends     = (*trendsSrv)(nil)
+	_ api.Priv       = (*privSrv)(nil)
+	_ api.PrivChain  = (*privChain)(nil)
+)
diff --git a/internal/servants/web/core.go b/internal/servants/web/core.go
index d0fbeb79..677db40a 100644
--- a/internal/servants/web/core.go
+++ b/internal/servants/web/core.go
@@ -29,8 +29,6 @@ var (
 	_maxCaptchaTimes    int   = 2
 )
 
-var _ api.Core = (*coreSrv)(nil)
-
 type coreSrv struct {
 	api.UnimplementedCoreServant
 	*base.DaoServant
diff --git a/internal/servants/web/followship.go b/internal/servants/web/followship.go
index bd9caf34..75dc930b 100644
--- a/internal/servants/web/followship.go
+++ b/internal/servants/web/followship.go
@@ -15,8 +15,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Followship = (*followshipSrv)(nil)
-
 type followshipSrv struct {
 	api.UnimplementedFollowshipServant
 	*base.DaoServant
diff --git a/internal/servants/web/friendship.go b/internal/servants/web/friendship.go
index 1851fc21..977250e5 100644
--- a/internal/servants/web/friendship.go
+++ b/internal/servants/web/friendship.go
@@ -14,8 +14,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Friendship = (*friendshipSrv)(nil)
-
 type friendshipSrv struct {
 	api.UnimplementedFriendshipServant
 	*base.DaoServant
diff --git a/internal/servants/web/loose.go b/internal/servants/web/loose.go
index 66f9335d..5d484c3e 100644
--- a/internal/servants/web/loose.go
+++ b/internal/servants/web/loose.go
@@ -21,8 +21,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Loose = (*looseSrv)(nil)
-
 type looseSrv struct {
 	api.UnimplementedLooseServant
 	*base.DaoServant
diff --git a/internal/servants/web/priv.go b/internal/servants/web/priv.go
index 9835bf24..50d6f338 100644
--- a/internal/servants/web/priv.go
+++ b/internal/servants/web/priv.go
@@ -27,17 +27,12 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var (
-	_ api.Priv      = (*privSrv)(nil)
-	_ api.PrivChain = (*privChain)(nil)
-
-	_uploadAttachmentTypeMap = map[string]ms.AttachmentType{
-		"public/image":  ms.AttachmentTypeImage,
-		"public/avatar": ms.AttachmentTypeImage,
-		"public/video":  ms.AttachmentTypeVideo,
-		"attachment":    ms.AttachmentTypeOther,
-	}
-)
+var _uploadAttachmentTypeMap = map[string]ms.AttachmentType{
+	"public/image":  ms.AttachmentTypeImage,
+	"public/avatar": ms.AttachmentTypeImage,
+	"public/video":  ms.AttachmentTypeVideo,
+	"attachment":    ms.AttachmentTypeOther,
+}
 
 type privSrv struct {
 	api.UnimplementedPrivServant
diff --git a/internal/servants/web/pub.go b/internal/servants/web/pub.go
index 59bbff04..377ab832 100644
--- a/internal/servants/web/pub.go
+++ b/internal/servants/web/pub.go
@@ -27,8 +27,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Pub = (*pubSrv)(nil)
-
 const (
 	_MaxLoginErrTimes = 10
 	_MaxPhoneCaptcha  = 10
diff --git a/internal/servants/web/relax.go b/internal/servants/web/relax.go
index 468c033c..869ef4e6 100644
--- a/internal/servants/web/relax.go
+++ b/internal/servants/web/relax.go
@@ -15,8 +15,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Relax = (*relaxSrv)(nil)
-
 type relaxSrv struct {
 	api.UnimplementedRelaxServant
 	*base.DaoServant
diff --git a/internal/servants/web/site.go b/internal/servants/web/site.go
index 54636afa..262c1336 100644
--- a/internal/servants/web/site.go
+++ b/internal/servants/web/site.go
@@ -12,8 +12,6 @@ import (
 	"github.com/rocboss/paopao-ce/pkg/version"
 )
 
-var _ api.Site = (*siteSrv)(nil)
-
 type siteSrv struct {
 	api.UnimplementedSiteServant
 	*base.BaseServant
diff --git a/internal/servants/web/trends.go b/internal/servants/web/trends.go
index bf04fd1a..d44f84a0 100644
--- a/internal/servants/web/trends.go
+++ b/internal/servants/web/trends.go
@@ -18,8 +18,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var _ api.Trends = (*trendsSrv)(nil)
-
 type trendsSrv struct {
 	api.UnimplementedTrendsServant
 	*base.DaoServant
diff --git a/internal/service/admin.go b/internal/service/admin.go
index 47ac6659..22ca066d 100644
--- a/internal/service/admin.go
+++ b/internal/service/admin.go
@@ -16,8 +16,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants"
 )
 
-var _ Service = (*adminService)(nil)
-
 type adminService struct {
 	*baseHttpService
 }
diff --git a/internal/service/bot.go b/internal/service/bot.go
index 62d245e6..cf4b85ed 100644
--- a/internal/service/bot.go
+++ b/internal/service/bot.go
@@ -16,8 +16,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants"
 )
 
-var _ Service = (*botService)(nil)
-
 type botService struct {
 	*baseHttpService
 }
diff --git a/internal/service/constraint.go b/internal/service/constraint.go
new file mode 100644
index 00000000..eada6001
--- /dev/null
+++ b/internal/service/constraint.go
@@ -0,0 +1,18 @@
+//go:build constraint
+
+package service
+
+var (
+	_ server = (*grpcServer)(nil)
+	_ server = (*httpServer)(nil)
+
+	_ Service = (*adminService)(nil)
+	_ Service = (*botService)(nil)
+	_ Service = (*frontendWebService)(nil)
+	_ Service = (*localossService)(nil)
+	_ Service = (*metricsService)(nil)
+	_ Service = (*pprofService)(nil)
+	_ Service = (*mobileService)(nil)
+	_ Service = (*spaceXService)(nil)
+	_ Service = (*webService)(nil)
+)
diff --git a/internal/service/frontend_web.go b/internal/service/frontend_web.go
index 7873c8a5..4e9bd181 100644
--- a/internal/service/frontend_web.go
+++ b/internal/service/frontend_web.go
@@ -14,8 +14,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants"
 )
 
-var _ Service = (*frontendWebService)(nil)
-
 type frontendWebService struct {
 	*baseHttpService
 }
diff --git a/internal/service/grpc_server.go b/internal/service/grpc_server.go
index 23d92da5..837c6932 100644
--- a/internal/service/grpc_server.go
+++ b/internal/service/grpc_server.go
@@ -10,8 +10,6 @@ import (
 	"google.golang.org/grpc"
 )
 
-var _ server = (*grpcServer)(nil)
-
 // grpcServer wraper for grpc.Server
 type grpcServer struct {
 	*baseServer
diff --git a/internal/service/http_server.go b/internal/service/http_server.go
index f34eef2a..ebbaeeb9 100644
--- a/internal/service/http_server.go
+++ b/internal/service/http_server.go
@@ -11,8 +11,6 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-var _ server = (*httpServer)(nil)
-
 // httpServer wraper for gin.engine and http.Server
 type httpServer struct {
 	*baseServer
diff --git a/internal/service/localoss.go b/internal/service/localoss.go
index b0789acc..43d14e34 100644
--- a/internal/service/localoss.go
+++ b/internal/service/localoss.go
@@ -15,8 +15,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants"
 )
 
-var _ Service = (*localossService)(nil)
-
 type localossService struct {
 	*baseHttpService
 }
diff --git a/internal/service/metrics.go b/internal/service/metrics.go
index fb81bfb6..0dffeba0 100644
--- a/internal/service/metrics.go
+++ b/internal/service/metrics.go
@@ -17,8 +17,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/infra/metrics/statistics"
 )
 
-var _ Service = (*metricsService)(nil)
-
 type metricsService struct {
 	*baseHttpService
 }
diff --git a/internal/service/mobile.go b/internal/service/mobile.go
index 8b74b06f..48186ec4 100644
--- a/internal/service/mobile.go
+++ b/internal/service/mobile.go
@@ -16,8 +16,6 @@ import (
 	"google.golang.org/grpc"
 )
 
-var _ Service = (*mobileService)(nil)
-
 type mobileService struct {
 	*baseGRPCService
 }
diff --git a/internal/service/pprof.go b/internal/service/pprof.go
index 731c70c1..12706557 100644
--- a/internal/service/pprof.go
+++ b/internal/service/pprof.go
@@ -13,8 +13,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/conf"
 )
 
-var _ Service = (*pprofService)(nil)
-
 type pprofService struct {
 	*baseHttpService
 }
diff --git a/internal/service/space.go b/internal/service/space.go
index f4c7ae0b..b8bf524f 100644
--- a/internal/service/space.go
+++ b/internal/service/space.go
@@ -16,8 +16,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants"
 )
 
-var _ Service = (*spaceXService)(nil)
-
 type spaceXService struct {
 	*baseHttpService
 }
diff --git a/internal/service/web.go b/internal/service/web.go
index 3c1ec97e..9cea8e1f 100644
--- a/internal/service/web.go
+++ b/internal/service/web.go
@@ -17,8 +17,6 @@ import (
 	"github.com/rocboss/paopao-ce/internal/servants"
 )
 
-var _ Service = (*webService)(nil)
-
 type webService struct {
 	*baseHttpService
 }