diff --git a/modules/core.go b/modules/core.go
index bd8e4346a..8f32830e5 100644
--- a/modules/core.go
+++ b/modules/core.go
@@ -19,17 +19,16 @@ type (
 		SendMsgToUser(mainType, subType string, msg proto.Message, user *pb.Cache_UserData) (err error)
 		///向多个用户发送消息
 		SendMsgToUsers(mainType, subType string, msg proto.Message, user ...*pb.Cache_UserData) (err error)
-
-		// 向db 写日志信息
-		InsertModelLogs(table string, uID string, handle interface{}) (err error)
-		DeleteModelLogs(table string, uID string, where interface{}) (err error)
-		UpdateModelLogs(table string, uID string, where interface{}, handle interface{}) (err error)
 	}
 	IAPI_Comp interface {
 	}
 	ICache_Comp interface {
 	}
 	IDB_Comp interface {
+		// 向db 写日志信息
+		InsertModelLogs(table string, uID string, handle interface{}) (err error)
+		DeleteModelLogs(table string, uID string, where interface{}) (err error)
+		UpdateModelLogs(table string, uID string, where interface{}, handle interface{}) (err error)
 	}
 	IConfigure_Comp interface {
 		LoadConfigure(name string, fn interface{}) (err error)
diff --git a/modules/db_comp.go b/modules/db_comp.go
index f340d0e70..5c2254caa 100644
--- a/modules/db_comp.go
+++ b/modules/db_comp.go
@@ -55,7 +55,7 @@ func (this *MComp_DBComp) InsertModelLogs(table string, uID string, target inter
 
 	return err
 }
-func (this *MComp_DBComp) DeleteModelLogs(table string, uID string, where interface{}, target interface{}) (err error) {
+func (this *MComp_DBComp) DeleteModelLogs(table string, uID string, where interface{}) (err error) {
 
 	data := &comm.Autogenerated{
 		ID:  primitive.NewObjectID().Hex(),