diff --git a/pkg/common/db/model/group.go b/pkg/common/db/model/group.go
index 60f1cd88f..1107e5897 100644
--- a/pkg/common/db/model/group.go
+++ b/pkg/common/db/model/group.go
@@ -32,8 +32,6 @@ func NewGroupModel(db mysql.GroupModelInterface, rdb redis.UniversalClient, mdb
 		DisableCacheRead:  false,
 		StrongConsistency: true,
 	})
-	sg := mdb.Database().Collection()
-	sg.Find()
 	groupModel.mongo = mongoDB.NewMongoClient(mdb)
 	return &groupModel
 }