diff --git a/AudioDemo/entry/src/main/config.json b/AudioDemo/entry/src/main/config.json
index a04efded8feef7c44f2bf41985b7a961a916bc35..7650a43e57c80ed0a51736d7f6e3f8ad8fa5c5bd 100644
--- a/AudioDemo/entry/src/main/config.json
+++ b/AudioDemo/entry/src/main/config.json
@@ -44,7 +44,7 @@
         "name": "com.huawei.harmonyaudiodemo.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "HarmonyAudioDemo",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       }
diff --git a/ComponentCodelab/entry/src/main/config.json b/ComponentCodelab/entry/src/main/config.json
index 56635f1969dafbc4d02eb96880267ff9557251b5..d1bb29108aec2e5a86f814e26ce20321b3ddeefe 100644
--- a/ComponentCodelab/entry/src/main/config.json
+++ b/ComponentCodelab/entry/src/main/config.json
@@ -40,7 +40,7 @@
         "name": "com.huawei.codelab.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "ComponentCodelab",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       }
diff --git a/DistributedMail/entry/src/main/config.json b/DistributedMail/entry/src/main/config.json
index 9d49bd38c2bc39d36eb178ec3fcfa1f893f9ea4f..46f55a533e4988ada9133a15a7ed15811dbce3d0 100644
--- a/DistributedMail/entry/src/main/config.json
+++ b/DistributedMail/entry/src/main/config.json
@@ -46,7 +46,7 @@
         "name": "com.huawei.maildemo.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "MailDemo",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       }
diff --git a/DistributedMapDemo/entry/src/main/config.json b/DistributedMapDemo/entry/src/main/config.json
index 5a9813a1080feb7c1eaa9baeb9352e252c63008f..16ca9c9fdbc6d3d029aee6e60a3d16e8d84ee830 100644
--- a/DistributedMapDemo/entry/src/main/config.json
+++ b/DistributedMapDemo/entry/src/main/config.json
@@ -42,7 +42,7 @@
         "name": "com.huawei.codelab.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "DistributedMapDemo",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       },
@@ -57,7 +57,7 @@
         "name": "com.huawei.codelab.WatchAbility",
         "icon": "$media:icon",
         "description": "$string:watchmainability_description",
-        "label": "entry",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       }
diff --git a/DistributedMapDemo/entry/src/main/java/com/huawei/codelab/util/HttpUtils.java b/DistributedMapDemo/entry/src/main/java/com/huawei/codelab/util/HttpUtils.java
index 1a8ea07e5cff04a43e82582aebaecf01ad939bc2..2cda4377f324d6337c46461189e5e9f23fca31f1 100644
--- a/DistributedMapDemo/entry/src/main/java/com/huawei/codelab/util/HttpUtils.java
+++ b/DistributedMapDemo/entry/src/main/java/com/huawei/codelab/util/HttpUtils.java
@@ -33,16 +33,17 @@ import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.Proxy;
 import java.net.URL;
+import java.net.URLConnection;
 import java.nio.charset.StandardCharsets;
 import java.security.KeyManagementException;
 import java.security.NoSuchAlgorithmException;
+import java.security.cert.X509Certificate;
 
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
-
-import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.X509TrustManager;
 
 /**
  * 网络请求管理类
@@ -140,7 +141,6 @@ public class HttpUtils {
                     resultBuffer.append(tempLine);
                 }
                 if (callback != null) {
-                    System.out.println("onSuccess:");
                     context.getUITaskDispatcher().syncDispatch(() -> callback.onSuccess(resultBuffer.toString()));
                 }
                 if (httpResponseCache != null) {
@@ -237,4 +237,24 @@ public class HttpUtils {
          */
         void onSuccess(String result);
     }
+
+    /**
+     * MyX509TrustManager
+     *
+     * @since 2021-03-12
+     */
+    private static class MyX509TrustManager implements X509TrustManager {
+        @Override
+        public void checkClientTrusted(X509Certificate[] certificates, String authType) {
+        }
+
+        @Override
+        public void checkServerTrusted(X509Certificate[] ax509certificate, String authType) {
+        }
+
+        @Override
+        public X509Certificate[] getAcceptedIssuers() {
+            return null;
+        }
+    }
 }
diff --git a/DistributedVideoCodelab/entry/src/main/config.json b/DistributedVideoCodelab/entry/src/main/config.json
index 83bff4681882ae4ac3725899a624d22e824feef5..5fc8b42aef242053e7890c282a424e8fc6980ca2 100644
--- a/DistributedVideoCodelab/entry/src/main/config.json
+++ b/DistributedVideoCodelab/entry/src/main/config.json
@@ -44,7 +44,7 @@
         "name": "ohos.codelabs.distributedvideo.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "DistributedVideo",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       },
@@ -57,7 +57,7 @@
         "name": ".PlayerAbility",
         "icon": "$media:icon",
         "description": "$string:videodetailabilityslice_description",
-        "label": "SimplePlayer",
+        "label": "$string:video_detail",
         "type": "page",
         "launchType": "standard"
       },
diff --git a/DistributedVideoCodelab/entry/src/main/resources/base/element/string.json b/DistributedVideoCodelab/entry/src/main/resources/base/element/string.json
index 80dc28cacfebf2757525f7574a186850fd3451cf..638216620726dbf7f9f3b9d52d88e81805591495 100644
--- a/DistributedVideoCodelab/entry/src/main/resources/base/element/string.json
+++ b/DistributedVideoCodelab/entry/src/main/resources/base/element/string.json
@@ -4,6 +4,10 @@
       "name": "app_name",
       "value": "video"
     },
+    {
+      "name": "video_detail",
+      "value": "video detail"
+    },
     {
       "name": "mainability_description",
       "value": "hap sample empty page"
diff --git a/EducationSystem/entry/src/main/config.json b/EducationSystem/entry/src/main/config.json
index 4e30b167364590b2478f82a7f55f862d3b72d87a..9df55f8d54836b307190412864cc8bd984ab813c 100644
--- a/EducationSystem/entry/src/main/config.json
+++ b/EducationSystem/entry/src/main/config.json
@@ -46,7 +46,7 @@
         "name": "com.huawei.codelab.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "亲子早教系统",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       },
diff --git a/HarmonyOSNewsClient/entry/src/main/config.json b/HarmonyOSNewsClient/entry/src/main/config.json
index 4fbeffff7fb41d31d5a89758baa2a7f62641c450..e5aff32d2223d241f10d553d41b33d53baa3a000 100644
--- a/HarmonyOSNewsClient/entry/src/main/config.json
+++ b/HarmonyOSNewsClient/entry/src/main/config.json
@@ -46,7 +46,7 @@
         "name": "com.huawei.codelab.NewsAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "NewsDemo",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       },
diff --git a/ShoppingJs/entry/src/main/config.json b/ShoppingJs/entry/src/main/config.json
index 8b16d1ec3afb72093a397b2c15b3f142c4eae241..e164614e744771ee0958276a0b9b08de0ff4d301 100644
--- a/ShoppingJs/entry/src/main/config.json
+++ b/ShoppingJs/entry/src/main/config.json
@@ -39,7 +39,7 @@
         "name": "com.huawei.codelab.MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "codelab",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       }
diff --git a/SimpleVideoCodelab/entry/src/main/config.json b/SimpleVideoCodelab/entry/src/main/config.json
index 3dbee1b6b0567aa83cf39c73daba5a4a81fcd15b..ea9dea11d3fe16a47cbc4f1b3a914a51989ee1f2 100644
--- a/SimpleVideoCodelab/entry/src/main/config.json
+++ b/SimpleVideoCodelab/entry/src/main/config.json
@@ -47,7 +47,7 @@
         "name": ".MainAbility",
         "icon": "$media:icon",
         "description": "$string:mainability_description",
-        "label": "SimplePlayer",
+        "label": "$string:app_name",
         "type": "page",
         "launchType": "standard"
       }