diff --git a/entry/src/main/ets/common/service/indexService.ts b/entry/src/main/ets/common/service/indexService.ts
index a27c38ac..57513cc3 100644
--- a/entry/src/main/ets/common/service/indexService.ts
+++ b/entry/src/main/ets/common/service/indexService.ts
@@ -311,44 +311,40 @@ function getChuankouFnMsg() {
   setTimeout(() => {
     getChuankouFnMsg()
   }, 200)
-  // let timeout = 50000; // 2秒超时
-  // let databuff = [0x61, 0xAA, 0x0A, 0X15, 0X00]; // send ABCDE
-  // testNapi.SerialSendAsync(globalThis.fd, databuff, (ret) => {
-  //   testNapi.SerialRecvAsync(globalThis.fd, timeout, (revTestInfo) => {
-  //
-  //     const message = revTestInfo?.recevedBuf?.toString()
-  //     if (message == '') {
-  //       globalThis.num = 1
-  //       // clearInterval(chuankou)
-  //       testNapi.SerialClose(globalThis.fd);
-  //       globalThis.fd = null
-  //       setTimeout(() => {
-  //         getChuankouFn()
-  //       }, 2000)
-  //       return
-  //     }
-  //     const msg = message?.split(',')
-  //     if (!msg?.length) {
-  //
-  //     } else if (msg[0] != '98' || msg[1] != '85' || msg.length < 9) {
-  //
-  //     } else if (msg.length < 12) {
-  //
-  //     } else {
-  //       globalThis.chuankoMsg = msg[9]
-  //     }
-  //
-  //     setTimeout(() => {
-  //       getChuankouFnMsg()
-  //     }, 500)
-  //
-  //     // hilog.info(0x0000, 'testTag', 'Test NAPI SerialRecvAsync callback in');
-  //     // hilog.info(0x0000, 'testTag', 'Test NAPI SerialRecvAsync recevedLen = %{public}d', revTestInfo.recevedLen);
-  //     // hilog.info(0x0000, 'testTag', 'Test NAPI SerialRecvAsync recevedBuf = %{public}s', revTestInfo.recevedBuf.toString());
-  //   });
-  //
-  // });
-  // let revTestInfo = testNapi?.SerialRecv(globalThis.fd, timeout);
+  let timeout = 50000; // 2秒超时
+  let databuff = [0x61, 0xAA, 0x0A, 0X15, 0X00]; // send ABCDE
+  testNapi.SerialSendAsync(globalThis.fd, databuff, (ret) => {
+    testNapi.SerialRecvAsync(globalThis.fd, timeout, (revTestInfo) => {
+
+      const message = revTestInfo?.recevedBuf?.toString()
+      if (message == '') {
+        globalThis.num = 1
+        // clearInterval(chuankou)
+        testNapi.SerialClose(globalThis.fd);
+        globalThis.fd = null
+        setTimeout(() => {
+          getChuankouFn()
+        }, 2000)
+        return
+      }
+      const msg = message?.split(',')
+      if (!msg?.length) {
+
+      } else if (msg[0] != '98' || msg[1] != '85' || msg.length < 9) {
+
+      } else if (msg.length < 12) {
+
+      } else {
+        globalThis.chuankoMsg = msg[9]
+      }
+
+      setTimeout(() => {
+        getChuankouFnMsg()
+      }, 500)
+
+    });
+
+  });
 }
 
 let chuankou
diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 0b5fbad6..642d3942 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -44,7 +44,7 @@ export default class EntryAbility extends UIAbility {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
     setInterval(() => {
       console.log("examPeerOccupy", examPeerOccupy())
-    }, 2000)
+    }, 5000)
 
 
     globalThis.carInfo = {}