diff --git a/zh-cn/application-dev/reference/apis/js-apis-buffer.md b/zh-cn/application-dev/reference/apis/js-apis-buffer.md
index 5da74ef71ee217d044ec60848a891e7e7d9eebaa..9112f695d67576e86b4084aca9c00ec4c4a3ede7 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-buffer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-buffer.md
@@ -872,7 +872,7 @@ let buf = buffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
 console.log(buf.readBigInt64BE(0).toString());
 
 let buf1 = buffer.allocUninitializedFromPool(8);
-let result = buf1.writeBigInt64BE(0x0102030405060708n, 0);
+let result = buf1.writeBigInt64BE(BigInt(0x0102030405060708), 0);
 ```
 
 ### readBigInt64LE
@@ -913,7 +913,7 @@ let buf = buffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
 console.log(buf.readBigInt64LE(0).toString());
 
 let buf1 = buffer.allocUninitializedFromPool(8);
-let result = buf1.writeBigInt64BE(0x0102030405060708n, 0);
+let result = buf1.writeBigInt64BE(BigInt(0x0102030405060708), 0);
 ```
 
 ### readBigUInt64BE
@@ -954,7 +954,7 @@ let buf = buffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
 console.log(buf.readBigUInt64BE(0).toString());
 
 let buf1 = buffer.allocUninitializedFromPool(8);
-let result = buf1.writeBigUInt64BE(0xdecafafecacefaden, 0);
+let result = buf1.writeBigUInt64BE(BigInt(0xdecafafecacefade), 0);
 ```
 
 ### readBigUInt64LE
@@ -995,7 +995,7 @@ let buf = buffer.from([0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x70,
 console.log(buf.readBigUInt64LE(0).toString());
 
 let buf1 = buffer.allocUninitializedFromPool(8);
-let result = buf1.writeBigUInt64BE(0xdecafafecacefaden, 0);
+let result = buf1.writeBigUInt64BE(BigInt(0xdecafafecacefade), 0);
 ```
 
 ### readDoubleBE
@@ -2045,7 +2045,7 @@ writeBigInt64BE(value: bigint, offset?: number): number
 import buffer from '@ohos.buffer';
 
 let buf = buffer.allocUninitializedFromPool(8);
-let result = buf.writeBigInt64BE(0x0102030405060708n, 0);
+let result = buf.writeBigInt64BE(BigInt(0x0102030405060708), 0);
 ```
 
 ### writeBigInt64LE
@@ -2084,7 +2084,7 @@ writeBigInt64LE(value: bigint, offset?: number): number
 import buffer from '@ohos.buffer';
 
 let buf = buffer.allocUninitializedFromPool(8);
-let result = buf.writeBigInt64LE(0x0102030405060708n, 0);
+let result = buf.writeBigInt64LE(BigInt(0x0102030405060708), 0);
 ```
 
 ### writeBigUInt64BE
@@ -2123,7 +2123,7 @@ writeBigUInt64BE(value: bigint, offset?: number): number
 import buffer from '@ohos.buffer';
 
 let buf = buffer.allocUninitializedFromPool(8);
-let result = buf.writeBigUInt64BE(0xdecafafecacefaden, 0);
+let result = buf.writeBigUInt64BE(BigInt(0xdecafafecacefade), 0);
 ```
 
 ### writeBigUInt64LE
@@ -2162,7 +2162,7 @@ writeBigUInt64LE(value: bigint, offset?: number): number
 import buffer from '@ohos.buffer';
 
 let buf = buffer.allocUninitializedFromPool(8);
-let result = buf.writeBigUInt64LE(0xdecafafecacefaden, 0);
+let result = buf.writeBigUInt64LE(BigInt(0xdecafafecacefade), 0);
 ```
 
 ### writeDoubleBE
diff --git a/zh-cn/application-dev/reference/apis/js-apis-util.md b/zh-cn/application-dev/reference/apis/js-apis-util.md
index 3e8509ff9481f85335f746710310feab38530ae3..b6d01f5737ab9e79960a9153f99edc33758ca4ee 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-util.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-util.md
@@ -1646,18 +1646,18 @@ compareTo(other: ScopeComparable): boolean;
 
 ```js
 class Temperature{
-    constructor(value){
-       // 当使用ts语言开发时，需要补充以下代码：
-       // private readonly _temp: Temperature;
+    // 当使用ArkTS语言开发时，需要补充以下代码：
+    // private readonly _temp: Temperature;
+    constructor(value) {
        this._temp = value;
     }
-    compareTo(value){
+    compareTo(value) {
        return this._temp >= value.getTemp();
     }
-    getTemp(){
+    getTemp() {
        return this._temp;
     }
-    toString(){
+    toString() {
        return this._temp.toString();
     }
 }