Support mongodb cluster

pkg/common/db/model.go

@@ -72,7 +72,7 @@ func init() {
 			// clientOpts := options.Client().ApplyURI("mongodb://localhost:27017,localhost:27018/?replicaSet=replset")
 			//mongodb://[username:password@]host1[:port1][,...hostN[:portN]][/[defaultauthdb][?options]]
 			//uri = fmt.Sprintf("mongodb://%s:%s@%s/%s?maxPoolSize=%d&authSource=admin&replicaSet=replset",
-			uri = fmt.Sprintf("mongodb://%s:%s@%s/%s?maxPoolSize=%d&authSource=admin&replicaSet=replset",
+			uri = fmt.Sprintf("mongodb://%s:%s@%s/%s?maxPoolSize=%d&authSource=admin",
 				config.Config.Mongo.DBUserName, config.Config.Mongo.DBPassword, mongodbHosts,
 				config.Config.Mongo.DBDatabase, config.Config.Mongo.DBMaxPoolSize)
 		} else {