diff --git a/dao/db.go b/dao/db.go
index 0c3c769..b19215b 100644
--- a/dao/db.go
+++ b/dao/db.go
@@ -13,7 +13,7 @@ import (
 
 var DB *gorm.DB
 
-var DBMMap map[uint]*proto.DBValue
+var DBMMap = map[uint]*proto.DBValue{}
 var DBMMapRWMutex = &sync.RWMutex{} //dbm日志
 
 func Init() error {