diff --git a/entry/src/main/ets/pages/judgeSDK/api/index.ets b/entry/src/main/ets/pages/judgeSDK/api/index.ets
index 7b0ba8d0..505cd261 100644
--- a/entry/src/main/ets/pages/judgeSDK/api/index.ets
+++ b/entry/src/main/ets/pages/judgeSDK/api/index.ets
@@ -45,7 +45,8 @@ export async function examJudgeInit(data: JudgeInitObj) {
  * @desc 执行实时考试过程 实时传递传感信息
  */
 export async function examJudgeRealExam(data) {
-  const temp: number = libJudgeSdk.examJudgeRealExam(JSON.stringify(data), str.length);
+  const str = JSON.stringify(data);
+  const temp: number = libJudgeSdk.examJudgeRealExam(str, str.length);
   return await handle(temp, 'examJudgeRealExam')
 }
 
diff --git a/ohos/so/@ohos.data.dataSharePredicates.d.ts b/ohos/dts/@ohos.data.dataSharePredicates.d.ts
similarity index 100%
rename from ohos/so/@ohos.data.dataSharePredicates.d.ts
rename to ohos/dts/@ohos.data.dataSharePredicates.d.ts
diff --git a/ohos/so/@ohos.distributedHardware.deviceManager.d.ts b/ohos/dts/@ohos.distributedHardware.deviceManager.d.ts
similarity index 100%
rename from ohos/so/@ohos.distributedHardware.deviceManager.d.ts
rename to ohos/dts/@ohos.distributedHardware.deviceManager.d.ts
diff --git a/ohos/so/@ohos.file.fileAccess.d.ts b/ohos/dts/@ohos.file.fileAccess.d.ts
similarity index 100%
rename from ohos/so/@ohos.file.fileAccess.d.ts
rename to ohos/dts/@ohos.file.fileAccess.d.ts
diff --git a/ohos/so/@ohos.file.photoAccessHelper.d.ts b/ohos/dts/@ohos.file.photoAccessHelper.d.ts
similarity index 100%
rename from ohos/so/@ohos.file.photoAccessHelper.d.ts
rename to ohos/dts/@ohos.file.photoAccessHelper.d.ts
diff --git a/ohos/so/@ohos.hiserialsdk.d.ts b/ohos/dts/@ohos.hiserialsdk.d.ts
similarity index 85%
rename from ohos/so/@ohos.hiserialsdk.d.ts
rename to ohos/dts/@ohos.hiserialsdk.d.ts
index 3cd65c46..ba716dfb 100644
--- a/ohos/so/@ohos.hiserialsdk.d.ts
+++ b/ohos/dts/@ohos.hiserialsdk.d.ts
@@ -21,7 +21,7 @@ import {Callback} from "./basic";
 * @namespace HiSerialSDK
 * @syscap SystemCapability.HiviewDFX.HiLog
 * @crossplatform
-* @since 9
+* @HONGZOS 2.0
 */
 declare namespace HiSerialSDK {
     /**
@@ -45,6 +45,7 @@ declare namespace HiSerialSDK {
      *
      * @param hiSerDevice 串口设备路径，如 "/dev/ttyS0"
      * @param callback 串口设备fd句柄，如果串口打开失败返回-1
+     * @HONGZOS 3.0
      */
     function SerialOpenAsync(hiSerDevice: string, callback: Callback<number>): void;
 	
@@ -72,9 +73,29 @@ declare namespace HiSerialSDK {
      * @param stopbits 停止位
      * @param parity 奇偶校验位
      * @param callback 设置是否成功(0: 成功, -1: 失败)
+     * @HONGZOS 3.0
      */
     function SerialSetAsync(fd: number, speed: number, flow_ctrl: number, databits: number, stopbits: number, parity: number, callback: Callback<number>): void;
 	
+    /**
+     * 设置串口监听回调
+     *
+     * @param fd 串口设备fd句柄
+     * @param callback 监听到数据后执行的回调函数，其中参数1: 监听的串口设备fd句柄；参数2: 接收的串口数据长度；参数3: 接收的串口数据字节数组
+     *
+     * @return 设置是否成功(0: 成功, -1: 失败)
+     */
+    function SerialListenCallbackSet(fd: number, callback: Callback<number, number, number[]>): number;
+
+    /**
+     * 取消串口监听
+     *
+     * @param fd 串口设备fd句柄
+     *
+     * @return 设置是否成功(0: 成功, -1: 失败)
+     */
+    function SerialListenCallbackCancel(fd: number): number;
+
 	/**
      * 发送数据
      * 
@@ -90,6 +111,7 @@ declare namespace HiSerialSDK {
      * @param fd 串口设备fd句柄
      * @param sendBuf 发送的数据字节数组
      * @param callback 发送成功返回发送的数据长度，发送失败返回-1
+     * @HONGZOS 3.0
      */
     function SerialSendAsync(fd: number, sendBuf: number[], callback: Callback<number>): void;
 
@@ -111,6 +133,7 @@ declare namespace HiSerialSDK {
      * @param timeout 接收数据时的最大等待时间，可设置为0，单位微秒（如：1000000 为1秒超时）
      * @param callback 接收的数据信息
      * @param recvLen （可选参数）接收的最大字节数，不填默认一次最多接收1024字节
+     * @HONGZOS 3.0
      */
     function SerialRecvAsync(fd: number, timeout: number, callback: Callback<receiveInfo>, recvLen?: number): void;
 
@@ -127,6 +150,7 @@ declare namespace HiSerialSDK {
      *
      * @param fd 串口设备fd句柄
      * @param 关闭操作执行结果(0: 成功, 其它: 失败)
+     * @HONGZOS 3.0
      */
     function SerialCloseAsync(fd: number, callback: Callback<number>): void;
 }
diff --git a/ohos/so/@ohos.idcard.d.ts b/ohos/dts/@ohos.idcard.d.ts
similarity index 100%
rename from ohos/so/@ohos.idcard.d.ts
rename to ohos/dts/@ohos.idcard.d.ts
diff --git a/ohos/so/@ohos.multimedia.camera.d.ts b/ohos/dts/@ohos.multimedia.camera.d.ts
similarity index 100%
rename from ohos/so/@ohos.multimedia.camera.d.ts
rename to ohos/dts/@ohos.multimedia.camera.d.ts
diff --git a/ohos/so/@ohos.multimedia.media.d.ts b/ohos/dts/@ohos.multimedia.media.d.ts
similarity index 100%
rename from ohos/so/@ohos.multimedia.media.d.ts
rename to ohos/dts/@ohos.multimedia.media.d.ts
diff --git a/ohos/so/@ohos.multimedia.mediaLibrary.d.ts b/ohos/dts/@ohos.multimedia.mediaLibrary.d.ts
similarity index 100%
rename from ohos/so/@ohos.multimedia.mediaLibrary.d.ts
rename to ohos/dts/@ohos.multimedia.mediaLibrary.d.ts
diff --git a/ohos/so/@ohos.net.ethernet.d.ts b/ohos/dts/@ohos.net.ethernet.d.ts
similarity index 100%
rename from ohos/so/@ohos.net.ethernet.d.ts
rename to ohos/dts/@ohos.net.ethernet.d.ts
diff --git a/ohos/so/@ohos.onvifclient.d.ts b/ohos/dts/@ohos.onvifclient.d.ts
similarity index 100%
rename from ohos/so/@ohos.onvifclient.d.ts
rename to ohos/dts/@ohos.onvifclient.d.ts
diff --git a/ohos/so/@ohos.rtsprecord.d.ts b/ohos/dts/@ohos.rtsprecord.d.ts
similarity index 100%
rename from ohos/so/@ohos.rtsprecord.d.ts
rename to ohos/dts/@ohos.rtsprecord.d.ts
diff --git a/ohos/so/libhiserialsdk.z.so b/ohos/so/libhiserialsdk.z.so
new file mode 100644
index 00000000..b55c1497
Binary files /dev/null and b/ohos/so/libhiserialsdk.z.so differ