Merge pull request #160 from caofengbin/feature/fix_android_get_app_error

【fix】修复安卓端获取应用列表可能不成功的场景

android/app/src/main/kotlin/com/network/proxy/plugin/AppInfo.kt

@@ -27,7 +27,8 @@ class AppInfo(name: CharSequence, packageName: String, icon: ByteArray, versionN
             val icon =
                 if (withIcon) drawableToByteArray(app.loadIcon(packageManager)) else ByteArray(0)
             val packageInfo = packageManager.getPackageInfo(app.packageName, 0)
-            val versionName = packageInfo.versionName
+            // 部分应用可能没有设置versionName，将导致获取列表操作失败
+            val versionName = packageInfo.versionName ?: ""
 
             return AppInfo(name, packageName, icon, versionName)
         }