diff --git a/src/components/combining/index.jsx b/src/components/combining/index.jsx
index ccad7f9c..e97d70e7 100644
--- a/src/components/combining/index.jsx
+++ b/src/components/combining/index.jsx
@@ -193,7 +193,7 @@ const Combining = forwardRef((props, ref) => {
       code_name: title,
       date_time: [begin_time, end_time],
       channel,
-      receive_mode,
+      receive_mode: Number(receive_mode),
       instruction,
       timer_type: time_limit.receive_time.start_time ? 2 : 1,
       group_cover: group_cover