diff --git a/zh-cn/application-dev/connectivity/bluetooth/gatt-development-guide.md b/zh-cn/application-dev/connectivity/bluetooth/gatt-development-guide.md
index 7c21b8e5a20e0c8c22020a1461769abd51872d92..ecfe27231d5bff500f9a55d93ab7f56313f82a00 100644
--- a/zh-cn/application-dev/connectivity/bluetooth/gatt-development-guide.md
+++ b/zh-cn/application-dev/connectivity/bluetooth/gatt-development-guide.md
@@ -236,7 +236,7 @@ try {
   // enable入参: true表示启用，false表示禁用
   gattClient.setCharacteristicChangeNotification(characteristic, true, (err: BusinessError) => {
     if (err) {
-      console.info('setCharacteristicChangeNotification callback failed');
+      console.error('setCharacteristicChangeNotification callback failed');
     } else {
       console.info('setCharacteristicChangeNotification callback successful');
     }
@@ -250,7 +250,7 @@ try {
   // enable入参: true表示启用，false表示禁用
   gattClient.setCharacteristicChangeIndication(characteristic, true, (err: BusinessError) => {
     if (err) {
-      console.info('setCharacteristicChangeIndication callback failed');
+      console.error('setCharacteristicChangeIndication callback failed');
     } else {
       console.info('setCharacteristicChangeIndication callback successful');
     }
@@ -511,7 +511,7 @@ try {
   // 发送变更通知或指示
   gattServer.notifyCharacteristicChanged(device, notifyCharacter, (err: BusinessError) => {
     if (err) {
-      console.info('notifyCharacteristicChanged callback failed');
+      console.error('notifyCharacteristicChanged callback failed');
     } else {
       console.info('notifyCharacteristicChanged callback successful');
     }
@@ -694,7 +694,7 @@ export class GattClientManager {
   // 3. client端连接成功后，需要进行服务发现
   public async discoverServices() {
     if (!this.gattClient) {
-      console.info(TAG, 'gattClient does not exist');
+      console.error(TAG, 'gattClient does not exist');
       return;
     }
     console.info(TAG, 'discoverServices');
@@ -846,7 +846,7 @@ export class GattClientManager {
       // 设置特征值变化通知能力，enable: true表示启用，false表示禁用
       this.gattClient.setCharacteristicChangeNotification(this.myCharacteristic, enable, (err: BusinessError) => {
         if (err) {
-          console.info('setCharacteristicChangeNotification callback failed');
+          console.error('setCharacteristicChangeNotification callback failed');
         } else {
           console.info('setCharacteristicChangeNotification callback successful');
         }
@@ -875,7 +875,7 @@ export class GattClientManager {
       // 设置特征值变化指示能力，enable: true表示启用，false表示禁用
       this.gattClient.setCharacteristicChangeIndication(this.myCharacteristic, enable, (err: BusinessError) => {
         if (err) {
-          console.info('setCharacteristicChangeIndication callback failed');
+          console.error('setCharacteristicChangeIndication callback failed');
         } else {
           console.info('setCharacteristicChangeIndication callback successful');
         }
@@ -1152,7 +1152,7 @@ export class GattServerManager {
       console.info(TAG, 'sendCharacterChange notification');
       this.gattServer?.notifyCharacteristicChanged(this.device, notifyCharacter, (err: BusinessError) => {
         if (err) {
-          console.info(TAG, 'notifyCharacteristicChanged notification callback failed');
+          console.error(TAG, 'notifyCharacteristicChanged notification callback failed');
         } else {
           console.info(TAG, 'notifyCharacteristicChanged notification callback successful');
         }
@@ -1167,7 +1167,7 @@ export class GattServerManager {
       console.info(TAG, 'sendCharacterChange indication');
       this.gattServer?.notifyCharacteristicChanged(this.device, notifyCharacter, (err: BusinessError) => {
         if (err) {
-          console.info(TAG, 'notifyCharacteristicChanged indication callback failed');
+          console.error(TAG, 'notifyCharacteristicChanged indication callback failed');
         } else {
           console.info(TAG, 'notifyCharacteristicChanged indication callback successful');
         }
diff --git a/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-ble.md b/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-ble.md
index 2401a44e87905ce3c00d052e35d4aa83066577f3..9607566a229896991a01cb3a1e448a68d25f995b 100644
--- a/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-ble.md
+++ b/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-ble.md
@@ -1586,7 +1586,7 @@ try {
     let gattServer: ble.GattServer = ble.createGattServer();
     gattServer.notifyCharacteristicChanged('XX:XX:XX:XX:XX:XX', notifyCharacter, (err: BusinessError) => {
         if (err) {
-            console.info('notifyCharacteristicChanged callback failed');
+            console.error('notifyCharacteristicChanged callback failed');
         } else {
             console.info('notifyCharacteristicChanged callback successful');
         }
@@ -3072,7 +3072,7 @@ try {
     let device: ble.GattClientDevice = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
     device.writeDescriptorValue(descriptor, (err: BusinessError) => {
         if (err) {
-            console.info('notifyCharacteristicChanged callback failed');
+            console.error('notifyCharacteristicChanged callback failed');
         } else {
             console.info('notifyCharacteristicChanged callback successful');
         }
@@ -3346,7 +3346,7 @@ try {
     let device: ble.GattClientDevice = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
     device.setCharacteristicChangeNotification(characteristic, false, (err: BusinessError) => {
         if (err) {
-            console.info('notifyCharacteristicChanged callback failed');
+            console.error('notifyCharacteristicChanged callback failed');
         } else {
             console.info('notifyCharacteristicChanged callback successful');
         }
@@ -3487,7 +3487,7 @@ try {
   let device: ble.GattClientDevice = ble.createGattClientDevice('XX:XX:XX:XX:XX:XX');
   device.setCharacteristicChangeIndication(characteristic, false, (err: BusinessError) => {
     if (err) {
-      console.info('notifyCharacteristicChanged callback failed');
+      console.error('notifyCharacteristicChanged callback failed');
     } else {
       console.info('notifyCharacteristicChanged callback successful');
     }
diff --git a/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection-sys.md b/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection-sys.md
index da67ce955591e40f8677683e4a9c3a22837d45ce..94f6ff12aab2c792ae7b1b9715b4068dcfb1a32d 100644
--- a/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection-sys.md
+++ b/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection-sys.md
@@ -218,7 +218,7 @@ try {
     connection.cancelPairedDevice('11:22:33:44:55:66').then(() => {
         console.info('cancelPairedDevice');
     }, (error: BusinessError) => {
-        console.info('cancelPairedDevice: errCode:' + error.code + ',errMessage' + error.message);
+        console.error('cancelPairedDevice: errCode:' + error.code + ',errMessage' + error.message);
     })
 
 } catch (err) {
diff --git a/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection.md b/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection.md
index ab93cdc1a1d91476f9b1f8ba9b40cbf7c3dfcb0b..f835ff6540be03b72eb48c7468b91a5e514b9d17 100644
--- a/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection.md
+++ b/zh-cn/application-dev/reference/apis-connectivity-kit/js-apis-bluetooth-connection.md
@@ -176,7 +176,7 @@ try {
     connection.pairDevice('11:22:33:44:55:66').then(() => {
         console.info('pairDevice');
     }, (error: BusinessError) => {
-        console.info('pairDevice: errCode:' + error.code + ',errMessage' + error.message);
+        console.error('pairDevice: errCode:' + error.code + ',errMessage' + error.message);
     })
 
 } catch (err) {
@@ -745,7 +745,7 @@ try {
     connection.setDevicePinCode('11:22:33:44:55:66', '12345').then(() => {
         console.info('setDevicePinCode');
     }, (error: BusinessError) => {
-        console.info('setDevicePinCode: errCode:' + error.code + ',errMessage' + error.message);
+        console.error('setDevicePinCode: errCode:' + error.code + ',errMessage' + error.message);
     })
 
 } catch (err) {