diff --git a/docs/en/UI/Angular/Permission-Management.md b/docs/en/UI/Angular/Permission-Management.md
index ab53e35e78..61169c85b8 100644
--- a/docs/en/UI/Angular/Permission-Management.md
+++ b/docs/en/UI/Angular/Permission-Management.md
@@ -55,7 +55,9 @@ The directive can also be used as an attribute directive but we recommend to you
 
 You can use `PermissionGuard` if you want to control authenticated user's permission to access to the route during navigation.
 
-Add `requiredPolicy` to the `routes` property in your routing module.
+* Import the PermissionGuard from @abp/ng.core.
+* Add `canActivate: [PermissionGuard]` to your route object.
+* Add `requiredPolicy` to the `data` property of your route in your routing module.
 
 ```js
 import { PermissionGuard } from '@abp/ng.core';
@@ -66,9 +68,7 @@ const routes: Routes = [
     component: YourComponent,
     canActivate: [PermissionGuard],
     data: {
-      routes: {
-        requiredPolicy: 'AbpIdentity.Roles.Create',
-      },
+        requiredPolicy: 'YourProjectName.YourComponent', // policy key for your component
     },
   },
 ];
diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs
index dd3217ee29..12b79cfc88 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs
@@ -70,11 +70,18 @@ namespace Volo.Abp.Cli.ProjectModification
                 if (includePreviews)
                 {
                     await CreateNpmrcFileAsync(Path.GetDirectoryName(file.Key));
-                    RunNpmInstall(fileDirectory);
                 }
                 else if (switchToStable)
                 {
                     await DeleteNpmrcFileAsync(Path.GetDirectoryName(file.Key));
+                }
+
+                if (await NpmrcFileExistAsync(fileDirectory))
+                {
+                    RunNpmInstall(fileDirectory);
+                }
+                else
+                {
                     RunYarn(fileDirectory);
                 }
 
@@ -93,15 +100,20 @@ namespace Volo.Abp.Cli.ProjectModification
             await Task.CompletedTask;
         }
 
-        private async Task CreateNpmrcFileAsync(string directoryName)
+        private static async Task<bool> NpmrcFileExistAsync(string directoryName)
         {
-            var fileName = Path.Combine(directoryName, ".npmrc");
+            return File.Exists(Path.Combine(directoryName, ".npmrc"));
+        }
 
+        private async Task CreateNpmrcFileAsync(string directoryName)
+        {
             var abpRegistry = "@abp:registry=https://www.myget.org/F/abp-nightly/npm";
             var voloRegistry = await GetVoloRegistryAsync();
 
-            if (File.Exists(fileName))
+            if (await NpmrcFileExistAsync(directoryName))
             {
+                var fileName = Path.Combine(directoryName, ".npmrc");
+
                 var fileContent = File.ReadAllText(fileName);
 
                 if (!fileContent.Contains(abpRegistry))