diff --git a/entry/src/main/cpp/bin/libJudgeSdk.so b/entry/src/main/cpp/bin/libJudgeSdk.so
index 2a793b9e..d26bbd75 100644
Binary files a/entry/src/main/cpp/bin/libJudgeSdk.so and b/entry/src/main/cpp/bin/libJudgeSdk.so differ
diff --git a/entry/src/main/ets/common/service/logService.ts b/entry/src/main/ets/common/service/logService.ts
new file mode 100644
index 00000000..84ac1515
--- /dev/null
+++ b/entry/src/main/ets/common/service/logService.ts
@@ -0,0 +1,22 @@
+import fs from '@ohos.file.fs';
+
+
+export function delLog(offset: number) {
+  try {
+    const path = "/mnt/hmdfs/100/account/device_view/local/files/duolun/logs"
+    const list = fs.listFileSync(path)
+    const now = new Date().getTime()
+    list.forEach(filename => {
+      const year = Number(filename.split("_")[0])
+      const month = Number(filename.split("_")[1]) - 1
+      const date = Number(filename.split("_")[2])
+      const fileDate = new Date(year, month, date).getTime()
+      if (now - fileDate >= offset * 24 * 60 * 60 * 1000) {
+        fs.rmdirSync(path + "/" + filename)
+        console.log("lixiao delete log success path: ", path + "/" + filename)
+      }
+    })
+  } catch (e) {
+    console.log("lixiao delete log error", JSON.stringify(e))
+  }
+}
\ No newline at end of file
diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index d8fe8f8d..f863afca 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -23,6 +23,7 @@ import IdlServiceExtProxy from '../IdlServiceExt/idl_service_ext_proxy';
 import Want from '@ohos.app.ability.Want';
 import emitter from '@ohos.events.emitter';
 import { examJudgeVersion } from './judgeSDK/api';
+import { delLog } from '../common/service/logService';
 
 @Entry
 @Component
@@ -445,6 +446,7 @@ struct Index {
           // globalThis.param854Str=sys.v_value
           delPic(Number(sys.v_value), 1)
           delPic(Number(sys.v_value), 2)
+          delLog(Number(sys.v_value))
           // this.delLoading=false
 
         }