diff --git a/zh-cn/application-dev/reference/apis/js-apis-device-info.md b/zh-cn/application-dev/reference/apis/js-apis-device-info.md
index d96977f7c9d86908608526902d3d332bcce96b69..14bd1614d837a00e118db7e9084dc1e9fff5f678 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-device-info.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-device-info.md
@@ -5,7 +5,7 @@
 
 ## 导入模块
 
-```
+```ts
 import deviceInfo from '@ohos.deviceInfo'
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-parameter.md b/zh-cn/application-dev/reference/apis/js-apis-system-parameter.md
index a51a7e60ded00b83a328107dbe3afa0e460b705f..0be6dd6a6be3ff052fff8fa3c064095bacad7f4c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-parameter.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-parameter.md
@@ -6,7 +6,7 @@
 
 ## 导入模块
 
-```
+```ts
 import parameter from '@ohos.systemParameter'
 ```
 
@@ -34,7 +34,7 @@ getSync(key: string, def?: string): string
 
 **示例：**
 
-```
+```ts
 try {
     var info = parameter.getSync("test.parameter.key");
     console.log(JSON.stringify(info));
@@ -61,7 +61,7 @@ get(key: string, callback: AsyncCallback<string>): void
 
 **示例：**
 
-```
+```ts
 try {
     parameter.get("test.parameter.key", function (err, data) {
     if (err == undefined) {
@@ -93,7 +93,7 @@ get(key: string, def: string, callback: AsyncCallback<string>): void
 
 **示例：**
 
-```
+```ts
 try {
     parameter.get("test.parameter.key", "default", function (err, data) {
         if (err == undefined) {
@@ -131,7 +131,7 @@ get(key: string, def?: string): Promise<string>
 
 **示例：**
 
-```
+```ts
 try {
     var p = parameter.get("test.parameter.key");
     p.then(function (value) {
@@ -162,7 +162,7 @@ setSync(key: string, value: string): void
 
 **示例：**
 
-```
+```ts
 try {
     parameter.setSync("test.parameter.key", "default");
 }catch(e){
@@ -189,7 +189,7 @@ set(key: string, value: string, callback: AsyncCallback<void>): void
 
 **示例：**
 
-```
+```ts
 try {
     parameter.set("test.parameter.key", "testValue", function (err, data) {
     if (err == undefined) {
@@ -226,7 +226,7 @@ set(key: string, def?: string): Promise<string>
 
 **示例：**
 
-```
+```ts
 try {
     var p = para.set("test.parameter.key", "testValue");
     p.then(function (value) {