diff --git a/scomm.py b/scomm.py
index 9f3c084..5d40b38 100755
--- a/scomm.py
+++ b/scomm.py
@@ -503,11 +503,10 @@ class SerialCommunicator:
                     cycle_interval = self.ui.get_cycle_interval()
 
                     # 使用 Event.wait 代替 sleep，可以及时响应停止事件
-                    # 等待指定的间隔时间，如果在此期间running被清除，则立即退出
-                    if not self.running.wait(cycle_interval):
-                        # 如果等待超时（返回False），说明running仍然设置，可以发送数据
-                        self._send_data()
-                    # 如果wait返回True，说明running被清除，循环条件会失败，退出循环
+                    self.data_ready.wait(cycle_interval)
+                    self._send_data()
+                    if self.data_ready.is_set():
+                        self.data_ready.clear()
                 else:
                     # 等待数据准备好或停止事件，最多等待100ms
                     self.data_ready.wait(0.1)
diff --git a/usercfg.json b/usercfg.json
index 5fc5d9f..3ec1293 100644
--- a/usercfg.json
+++ b/usercfg.json
@@ -2,17 +2,17 @@
     "baud": "9600",
     "btn-data01": {
         "hex": 1,
-        "title": "\u5355\u8138\u5f55\u5165",
+        "title": "单脸录入",
         "value": "5A A5 0A A1 A5 10 10 00 04 1D 01 00 0A EE EE"
     },
     "btn-data02": {
         "hex": 1,
-        "title": "\u8bfb\u53d6\u4eba\u8138",
+        "title": "读取人脸",
         "value": "5A A5 07 A1 A5 10 10 00 01 24 EE EE"
     },
     "btn-data03": {
         "hex": 1,
-        "title": "\u4eba\u8138\u8bc6\u522b",
+        "title": "人脸识别",
         "value": "5A A5 09 A1 A5 10 10 00 03 12 00 0A EE EE"
     },
     "btn-data04": {
@@ -27,17 +27,17 @@
     },
     "btn-data06": {
         "hex": 1,
-        "title": "\u5220\u9664\u4eba\u8138",
+        "title": "删除人脸",
         "value": "5A A5 09 A1 A5 10 10 00 03 20 00 01 EE EE"
     },
     "btn-data07": {
         "hex": 1,
-        "title": "\u83b7\u53d6\u72b6\u6001",
+        "title": "获取状态",
         "value": "5A A5 07 A1 A5 10 10 00 01 11 EE EE"
     },
     "btn-data08": {
         "hex": 1,
-        "title": "\u5173\u6389\u7535\u6e90",
+        "title": "关掉电源",
         "value": "5A A5 07 A1 A5 10 10 00 01 F3 EE EE"
     },
     "btn-unpack01": {
@@ -60,7 +60,7 @@
         "title": "tc01-sens-cfg",
         "value": "len(data)>=25 and data[2]==0x14 and '\\n\\K=%s\\nKuser=%s\\nad0fix=%s\\nmlevel=%s\\nfofactor=%s\\nKntc=%s\\n' % (\nuint16(data[9:]),\nuint16(data[11:]),\nuint16(data[13:]),\nuint16(data[15:]),\nuint16(data[17:]),\nuint16(data[19:]))\n\n"
     },
-    "cycle": "1000",
+    "cycle": "100",
     "encoding": "utf8",
     "split": "100",
     "uservar": "2,32200,0,0"