修正了不能正确的自动提交事务的过程

container/NewTransactionBroker.go

@@ -55,10 +55,22 @@ func (broker *NewTransactionBroker) Call(in []reflect.Value) []reflect.Value {
 	}
 	out := broker.caller(in)
 	lastReturnValue := out[len(out)-1]
-	if lastReturnValue.Kind() == reflect.Invalid {
-		if err := transactionHandler.Commit(); err != nil {
-			// Todo Log
-			return []reflect.Value{reflect.ValueOf(err)}
+	switch lastReturnValue.Kind() {
+	case reflect.Invalid:
+		{
+			if err := transactionHandler.Commit(); err != nil {
+				// Todo Log
+				return []reflect.Value{reflect.ValueOf(err)}
+			}
+		}
+	case reflect.Interface:
+		{
+			if lastReturnValue.Type() == errorType && lastReturnValue.IsNil() {
+				if err := transactionHandler.Commit(); err != nil {
+					// Todo Log
+					return []reflect.Value{reflect.ValueOf(err)}
+				}
+			}
 		}
 	}
 	return out