diff --git a/protos/common_data.proto b/protos/common_data.proto
index 58dabb4..b729cd3 100644
--- a/protos/common_data.proto
+++ b/protos/common_data.proto
@@ -65,7 +65,7 @@ message TrainEndsState{
   //加速度持续时间
   int32 accCheckTime = 8;
   // 速传速度输出（米/秒）
-  float accOutSpeed = 9;
+  int32 accOutSpeed = 9;
   // 雷达速度输出（米/秒）
-  float radarOutSpeed = 10;
+  int32 radarOutSpeed = 10;
 }
diff --git a/protos/device_state.proto b/protos/device_state.proto
index 77df8da..41bec0c 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -487,9 +487,9 @@ message TrainEndsStateMqtt{
   //加速度持续时间
   int32 accCheckTime = 8;
   // 速传速度输出（米/秒）
-  string accOutSpeed = 9;
+  int32 accOutSpeed = 9;
   // 雷达速度输出（米/秒）
-  string radarOutSpeed = 10;
+  int32 radarOutSpeed = 10;
 }
 // 继电器状态
 message ReplyState {