diff --git a/src/main/java/com/qyft/ms/app/common/constant/WebSocketMessageType.java b/src/main/java/com/qyft/ms/app/common/constant/WebSocketMessageType.java
index 867916a..275fbcb 100644
--- a/src/main/java/com/qyft/ms/app/common/constant/WebSocketMessageType.java
+++ b/src/main/java/com/qyft/ms/app/common/constant/WebSocketMessageType.java
@@ -10,6 +10,10 @@ public class WebSocketMessageType {
      */
     public static final String CMD_RESPONSE = "cmd_response";
     /**
+     * 自检移动电机测试
+     */
+    public static final String SELF_MOVE_TEST = "self_move_test";
+    /**
      * 喷涂点位变化
      */
     public static final String SPRAY_POINT = "spray_point";