diff --git a/src/pages/movement-supervision.vue b/src/pages/movement-supervision.vue
index 0f26059..91aa6a1 100644
--- a/src/pages/movement-supervision.vue
+++ b/src/pages/movement-supervision.vue
@@ -114,7 +114,8 @@ const monitorScene = async () => {
       } else {
         const newX = x - 60;
         const newY = y - 60;
-        const rotate = angle;
+// 后端 angle 为逆时针，把转换改为“先取反再加偏移”：
+        const rotate = angle == null ? undefined : -angle + 180;
         return { id, x: newX, y: newY, rotate, visible: true };
       }
     });