diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Args/CommandLineArgumentParser.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Args/CommandLineArgumentParser.cs
index 1dd29e5df7..52ddfafae5 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Args/CommandLineArgumentParser.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Args/CommandLineArgumentParser.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Volo.Abp.Cli.Utils;
 using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.Cli.Args
@@ -40,6 +41,7 @@ namespace Volo.Abp.Cli.Args
 
             if (!argumentList.Any())
             {
+                target = NamespaceHelper.NormalizeNamespace(target);
                 return new CommandLineArgs(command, target);
             }
 
diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Utils/NamespaceHelper.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Utils/NamespaceHelper.cs
new file mode 100644
index 0000000000..9001cd51e3
--- /dev/null
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Utils/NamespaceHelper.cs
@@ -0,0 +1,21 @@
+using System.Text.RegularExpressions;
+using JetBrains.Annotations;
+
+namespace Volo.Abp.Cli.Utils
+{
+    public static class NamespaceHelper
+    {
+        public static string NormalizeNamespace([CanBeNull] string value)
+        {
+            if (string.IsNullOrEmpty(value))
+            {
+                return value;
+            }
+
+            value = Regex.Replace(value, @"(^\s+|\s+$)", "");
+            value = Regex.Replace(value, @"(((?<=\.)|^)((?=\d)|\.)|[^\w\.])|(\.$)", "_");
+
+            return value;
+        }
+    }
+}
\ No newline at end of file