diff --git a/bsp/src/bsp_valve.c b/bsp/src/bsp_valve.c
index 6492091..4112380 100644
--- a/bsp/src/bsp_valve.c
+++ b/bsp/src/bsp_valve.c
@@ -226,7 +226,7 @@ int BSP_Bt_Replace_Valve(uint8_t *data, uint8_t len)
             return 3;
         }
         BSP_Bt_Valve_Updata(); // 更新阀门信息
-        Master_DisConnect();
+        Master_DisConnect();//更新后先断联接
     }
     return 0;
 }