diff --git a/src/radio_ctrl/src/radio_ctrl.cpp b/src/radio_ctrl/src/radio_ctrl.cpp
index 4c3eb2f..e7f8d79 100644
--- a/src/radio_ctrl/src/radio_ctrl.cpp
+++ b/src/radio_ctrl/src/radio_ctrl.cpp
@@ -83,7 +83,7 @@ private:
             uint16_t gear = ch_data[5];  // 挡位
             uint16_t sweep = ch_data[6]; // 清扫
             uint16_t dump = ch_data[7];  // 垃圾倾倒
-            printf("sweep=%d\n", sweep);
+            printf("dump=%d\n", dump);
             int16_t speed = ch_data[1] - 992; //[-800,800]
 
             if (!initialized)