diff --git a/npm/ng-packs/packages/schematics/src/utils/index.ts b/npm/ng-packs/packages/schematics/src/utils/index.ts
index a1d2b04a80..ee38b83dc1 100644
--- a/npm/ng-packs/packages/schematics/src/utils/index.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/index.ts
@@ -9,4 +9,5 @@ export * from './service';
 export * from './source';
 export * from './text';
 export * from './tree';
+export * from './type';
 export * from './workspace';
diff --git a/npm/ng-packs/packages/schematics/src/utils/service.ts b/npm/ng-packs/packages/schematics/src/utils/service.ts
index b9347eacc2..bec531de1a 100644
--- a/npm/ng-packs/packages/schematics/src/utils/service.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/service.ts
@@ -3,6 +3,7 @@ import { Action, Body, Controller, Import, Method, Property, Service, Signature
 import { parseNamespace } from './namespace';
 import { relativePathFromServiceToModel } from './path';
 import { parseGenerics } from './tree';
+import { createTypeSimplifier } from './type';
 
 export function serializeParameters(parameters: Property[]) {
   return parameters.map(p => p.name + p.optional + ': ' + p.type + p.default, '').join(', ');
@@ -128,26 +129,12 @@ function getMethodNameFromAction(action: Action): string {
 }
 
 function createTypeAdapter(solution: string) {
-  const removeNamespace = createNamespaceRemover(solution);
+  const simplifyType = createTypeSimplifier(solution);
 
   return (typeSimple: string) => {
     if (typeSimple === 'System.Void') return 'void';
 
-    return parseGenerics(typeSimple, node => removeNamespace(node.data)).toString();
-  };
-}
-
-function createNamespaceRemover(solution: string) {
-  const optionalRegex = /\?/g;
-  const solutionRegex = new RegExp(solution.replace(/\./g, `\.`) + `\.`);
-  const voloRegex = /^Volo\.(Abp\.?)(Application\.?)/;
-
-  return (type: string) => {
-    type = type.replace(voloRegex, '');
-    type = type.replace(solutionRegex, '');
-    type = type.replace(optionalRegex, '');
-    type = type.split('.').pop()!;
-    return type;
+    return parseGenerics(typeSimple, node => simplifyType(node.data)).toString();
   };
 }
 
diff --git a/npm/ng-packs/packages/schematics/src/utils/type.ts b/npm/ng-packs/packages/schematics/src/utils/type.ts
new file mode 100644
index 0000000000..5af905cabb
--- /dev/null
+++ b/npm/ng-packs/packages/schematics/src/utils/type.ts
@@ -0,0 +1,21 @@
+import { strings } from '@angular-devkit/core';
+import { SYSTEM_TYPES } from '../constants';
+
+export function createTypeSimplifier(solution: string) {
+  const optionalRegex = /\?/g;
+  const solutionRegex = new RegExp(solution.replace(/\./g, `\.`) + `\.`);
+  const voloRegex = /^Volo\.(Abp\.?)(Application\.?)/;
+
+  return (type: string) => {
+    type = type.replace(voloRegex, '');
+    type = type.replace(solutionRegex, '');
+    type = type.replace(optionalRegex, '');
+    type = type.replace(
+      /System\.([0-9A-Za-z]+)/g,
+      (_, match) => SYSTEM_TYPES.get(match) ?? strings.camelize(match),
+    );
+    type = type.split('.').pop()!;
+    type = type.startsWith('[') ? type.slice(1, -1) + '[]' : type;
+    return type;
+  };
+}