diff --git a/zh-cn/application-dev/reference/apis/js-apis-file-hash.md b/zh-cn/application-dev/reference/apis/js-apis-file-hash.md
index a38e3189c58e52af35f5dae9a9ab3a7d136c1a7a..911dac45c0fa4c0496587f491cf8f653872ac760 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-file-hash.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-file-hash.md
@@ -92,6 +92,7 @@ hash(path: string, algorithm: string, callback: AsyncCallback<string>): vo
 
 **示例：**
   ```js
+  let filePath = pathDir + "/test.txt";
   Hash.hash(filePath, "sha256", (err, str) => {
     if (err) {
       console.info("calculate file hash failed with error message: " + err.message + ", error code: " + err.code);
diff --git a/zh-cn/application-dev/reference/apis/js-apis-hichecker.md b/zh-cn/application-dev/reference/apis/js-apis-hichecker.md
index 93c400c740ac864e64e7c65119e5fbde8e1ea693..b66101c41937973184db2f07fdbb06184173d37e 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-hichecker.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-hichecker.md
@@ -46,11 +46,11 @@ addCheckRule(rule: bigint): void
 ```js
 try {
     // 添加一条规则
-    hichecker.addCheckRule(hichecker.RULE_CAUTION_PRINT_LOG);}
+    hichecker.addCheckRule(hichecker.RULE_CAUTION_PRINT_LOG);
     // 添加多条规则
-    hichecker.addCheckRule(
-        hichecker.RULE_CAUTION_PRINT_LOG | hichecker.RULE_CAUTION_TRIGGER_CRASH);
-catch (err) {
+    // hichecker.addCheckRule(
+    //     hichecker.RULE_CAUTION_PRINT_LOG | hichecker.RULE_CAUTION_TRIGGER_CRASH);
+} catch (err) {
     console.error(`code: ${err.code}, message: ${err.message}`);
 }
 ```
@@ -76,9 +76,9 @@ try {
     // 删除一条规则
     hichecker.removeCheckRule(hichecker.RULE_CAUTION_PRINT_LOG);
     // 删除多条规则
-    hichecker.removeCheckRule(
-        hichecker.RULE_CAUTION_PRINT_LOG | hichecker.RULE_CAUTION_TRIGGER_CRASH);
-catch (err) {
+    // hichecker.removeCheckRule(
+    //     hichecker.RULE_CAUTION_PRINT_LOG | hichecker.RULE_CAUTION_TRIGGER_CRASH);
+} catch (err) {
     console.error(`code: ${err.code}, message: ${err.message}`);
 }
 ```
@@ -113,7 +113,7 @@ try {
     // 查询是否包含
     hichecker.containsCheckRule(hichecker.RULE_THREAD_CHECK_SLOW_PROCESS); // return true;
     hichecker.containsCheckRule(hichecker.RULE_CAUTION_PRINT_LOG); // return false;
-catch (err) {
+} catch (err) {
     console.error(`code: ${err.code}, message: ${err.message}`);
 }
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-hidebug.md b/zh-cn/application-dev/reference/apis/js-apis-hidebug.md
index 72e7c8ffa90f0f1aafb8685973b196dbb62e7ab1..66306729dc0da5f124d69eb0f9865c17b4259048 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-hidebug.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-hidebug.md
@@ -297,7 +297,7 @@ import hidebug from '@ohos.hidebug'
 
 try {
   hidebug.startJsCpuProfiling("cpu_profiling");
-  ...
+  // ...
   hidebug.stopJsCpuProfiling();
 } catch (error) {
   console.info(error.code)
@@ -326,7 +326,7 @@ import hidebug from '@ohos.hidebug'
 
 try {
   hidebug.startJsCpuProfiling("cpu_profiling");
-  ...
+  // ...
   hidebug.stopJsCpuProfiling();
 } catch (error) {
   console.info(error.code)