diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Bundling/BundlingService.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Bundling/BundlingService.cs
index 492e938874..65212fe69f 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Bundling/BundlingService.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Bundling/BundlingService.cs
@@ -113,8 +113,11 @@ public class BundlingService : IBundlingService, ITransientDependency
             var contributor = CreateContributorInstance(bundleDefinition.BundleContributorType);
             contributor.AddScripts(scriptContext);
         }
+        
+        scriptContext.BundleDefinitions.AddIfNotContains(
+            x => x.Source == "_framework/blazor.webassembly.js", 
+            () => new BundleDefinition { Source = "_framework/blazor.webassembly.js" });
 
-        scriptContext.Add("_framework/blazor.webassembly.js");
         return scriptContext;
     }
 
@@ -206,7 +209,7 @@ public class BundlingService : IBundlingService, ITransientDependency
             builder.Append($"    <script src=\"{script.Source}\"");
             foreach (var additionalProperty in script.AdditionalProperties)
             {
-                builder.Append($"{additionalProperty.Key}={additionalProperty.Value} ");
+                builder.Append($" {additionalProperty.Key}={additionalProperty.Value} ");
             }
 
             builder.AppendLine("></script>");