diff --git a/config/config.yaml b/config/config.yaml
index f0e25250c..cc14788ec 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -25,8 +25,8 @@ mongo:
   dbTimeout: 10
   dbDatabase: openIM  #mongo db 默认即可
   dbSource: admin
-  dbUserName: #mongo用户名，建议先不设置
-  dbPassword: #mongo密码，建议先不设置
+  dbUserName: "openIM" #mongo用户名，建议先不设置
+  dbPassword: "123456" #mongo密码，建议先不设置
   dbMaxPoolSize: 20
   dbRetainChatRecords: 3650 #mongo保存离线消息时间（天），根据需求修改
 
diff --git a/pkg/common/db/model.go b/pkg/common/db/model.go
index fc6ae3faa..bd465d6ff 100644
--- a/pkg/common/db/model.go
+++ b/pkg/common/db/model.go
@@ -47,7 +47,7 @@ func init() {
 		uri = config.Config.Mongo.DBUri
 	} else {
 		if config.Config.Mongo.DBPassword != "" && config.Config.Mongo.DBUserName != "" {
-			uri = fmt.Sprintf("mongodb://%s:%s@%s/%s/?maxPoolSize=%d", config.Config.Mongo.DBUserName, config.Config.Mongo.DBPassword, config.Config.Mongo.DBAddress[0],
+			uri = fmt.Sprintf("mongodb://%s:%s@%s/%s?maxPoolSize=%d", config.Config.Mongo.DBUserName, config.Config.Mongo.DBPassword, config.Config.Mongo.DBAddress[0],
 				config.Config.Mongo.DBDatabase, config.Config.Mongo.DBMaxPoolSize)
 		} else {
 			uri = fmt.Sprintf("mongodb://%s/%s/?maxPoolSize=%d",