diff --git a/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs b/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs
index f9fdea3e50..06d2ee885b 100644
--- a/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs
+++ b/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Collections.Immutable;
 using System.ComponentModel;
 using System.Globalization;
 using System.Linq;
@@ -129,17 +130,22 @@ public static class TypeHelper
 
     public static bool IsDictionary(Type type, out Type? keyType, out Type? valueType)
     {
-        var dictionaryTypes = ReflectionHelper
-            .GetImplementedGenericTypes(
-                type,
-                typeof(IDictionary<,>)
-            );
+        var knownDictionaryInterfaces = new Type[]
+        {
+            typeof(IDictionary<,>),
+            typeof(IReadOnlyDictionary<,>),
+            typeof(IImmutableDictionary<,>)
+        };
 
-        if (dictionaryTypes.Count == 1)
+        foreach (var dictInterface in knownDictionaryInterfaces)
         {
-            keyType = dictionaryTypes[0].GenericTypeArguments[0];
-            valueType = dictionaryTypes[0].GenericTypeArguments[1];
-            return true;
+            var dictionaryTypes = ReflectionHelper.GetImplementedGenericTypes(type, dictInterface);
+            if (dictionaryTypes.Count == 1)
+            {
+                keyType = dictionaryTypes[0].GenericTypeArguments[0];
+                valueType = dictionaryTypes[0].GenericTypeArguments[1];
+                return true;
+            }
         }
 
         if (typeof(IDictionary).IsAssignableFrom(type))
@@ -151,7 +157,6 @@ public static class TypeHelper
 
         keyType = null;
         valueType = null;
-
         return false;
     }
 
diff --git a/framework/test/Volo.Abp.Http.Tests/Volo/Abp/Http/ApiTypeNameHelper_Tests.cs b/framework/test/Volo.Abp.Http.Tests/Volo/Abp/Http/ApiTypeNameHelper_Tests.cs
index e202a95d47..78be2e174a 100644
--- a/framework/test/Volo.Abp.Http.Tests/Volo/Abp/Http/ApiTypeNameHelper_Tests.cs
+++ b/framework/test/Volo.Abp.Http.Tests/Volo/Abp/Http/ApiTypeNameHelper_Tests.cs
@@ -1,5 +1,6 @@
 using System.Collections;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using Shouldly;
 using Volo.Abp.Http.Modeling;
 using Volo.Abp.Reflection;
@@ -25,6 +26,18 @@ public class ApiTypeNameHelper_Tests
         ApiTypeNameHelper.GetTypeName(typeof(CycleClass3)).ShouldBe($"[{TypeHelper.GetSimplifiedName(typeof(CycleClass4))}]");
     }
 
+
+    [Fact]
+    public void IsDictionary_Test()
+    {
+        ApiTypeNameHelper.GetSimpleTypeName(typeof(IDictionary<string, decimal>)).ShouldBe("{string:number}");
+        ApiTypeNameHelper.GetSimpleTypeName(typeof(Dictionary<string, decimal>)).ShouldBe("{string:number}");
+        ApiTypeNameHelper.GetSimpleTypeName(typeof(IReadOnlyDictionary<string, int>)).ShouldBe("{string:number}");
+        ApiTypeNameHelper.GetSimpleTypeName(typeof(ReadOnlyDictionary<string, int>)).ShouldBe("{string:number}");
+        ApiTypeNameHelper.GetSimpleTypeName(typeof(OrderedDictionary<string, long>)).ShouldBe("{string:number}");
+        ApiTypeNameHelper.GetSimpleTypeName(typeof(SortedDictionary<string, long>)).ShouldBe("{string:number}");
+    }
+
     class CycleClass : IEnumerable<CycleClass>
     {
         public IEnumerator<CycleClass> GetEnumerator()