diff --git a/wrapper_client.go b/wrapper_client.go
index 9fdcaa6..78a216a 100644
--- a/wrapper_client.go
+++ b/wrapper_client.go
@@ -11,14 +11,15 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"path/filepath"
+	"strings"
+	"sync"
+
 	"git.zhangdeman.cn/zhangdeman/consts"
 	"git.zhangdeman.cn/zhangdeman/database/abstract"
 	"git.zhangdeman.cn/zhangdeman/database/define"
 	"git.zhangdeman.cn/zhangdeman/serialize"
 	"go.uber.org/zap"
-	"path/filepath"
-	"strings"
-	"sync"
 
 	"gorm.io/gorm"
 )
@@ -32,7 +33,7 @@ func init() {
 	WrapperClient = NewWrapperClient()
 }
 
-func NewWrapperClient() *wrapperClient {
+func NewWrapperClient() abstract.IWrapperClient {
 	return &wrapperClient{
 		lock:        &sync.RWMutex{},
 		clientTable: make(map[string]abstract.IWrapperDatabaseClient),