diff --git a/packages/wormhole/src/plugins/presets/payloadModifier/hepler.ts b/packages/wormhole/src/plugins/presets/payloadModifier/hepler.ts
index 0478832..06b2d35 100644
--- a/packages/wormhole/src/plugins/presets/payloadModifier/hepler.ts
+++ b/packages/wormhole/src/plugins/presets/payloadModifier/hepler.ts
@@ -19,10 +19,21 @@ import type {
 // Convert Schema (custom spec) -> OpenAPI SchemaObject
 function toSchemaObject(base: SchemaObject, s: Schema): SchemaObject {
   const result: SchemaObject = { ...base }
-
+  const cleanType = (schema: SchemaObject) => {
+    delete schema.type
+    delete schema.enum
+    delete schema.oneOf
+    delete schema.anyOf
+    delete schema.allOf
+    delete (schema as any).items
+    delete schema.properties
+    delete schema.required
+    return schema
+  }
   // Legacy union as array (treated as oneOf)
   if (Array.isArray(s)) {
     const baseOneOf = base.oneOf || []
+    cleanType(result)
     result.oneOf = s.map((item, idx) => toSchemaObject(baseOneOf[idx] || {}, item))
     return result
   }
@@ -37,16 +48,19 @@ function toSchemaObject(base: SchemaObject, s: Schema): SchemaObject {
   if ((s as SchemaOneOf).oneOf) {
     const spec = s as SchemaOneOf
     const baseOneOf = base.oneOf || []
+    cleanType(result)
     result.oneOf = spec.oneOf.map((item, idx) => toSchemaObject(baseOneOf[idx] || {}, item))
   }
   if ((s as SchemaAnyOf).anyOf) {
     const spec = s as SchemaAnyOf
     const baseAnyOf = base.anyOf || []
+    cleanType(result)
     result.anyOf = spec.anyOf.map((item, idx) => toSchemaObject(baseAnyOf[idx] || {}, item))
   }
   if ((s as SchemaAllOf).allOf) {
     const spec = s as SchemaAllOf
     const baseAllOf = base.allOf || []
+    cleanType(result)
     result.allOf = spec.allOf.map((item, idx) => toSchemaObject(baseAllOf[idx] || {}, item))
   }
 
@@ -55,7 +69,7 @@ function toSchemaObject(base: SchemaObject, s: Schema): SchemaObject {
     const spec = s as SchemaEnum
     result.enum = spec.enum
     if (spec.type) {
-      result.type = spec.type
+      result.type = spec.type as any
     }
   }
 
diff --git a/packages/wormhole/src/plugins/presets/payloadModifier/type.ts b/packages/wormhole/src/plugins/presets/payloadModifier/type.ts
index a55666c..217d28e 100644
--- a/packages/wormhole/src/plugins/presets/payloadModifier/type.ts
+++ b/packages/wormhole/src/plugins/presets/payloadModifier/type.ts
@@ -1,5 +1,5 @@
 export type ModifierScope = 'params' | 'pathParams' | 'data' | 'response'
-export type SchemaPrimitive = 'number' | 'string' | 'boolean' | 'undefined' | 'null' | 'unknown' | 'any' | 'never'
+export type SchemaPrimitive = 'number' | 'string' | 'boolean' | 'undefined' | 'null' | 'unknown' | 'any' | 'never' | ({} & string)
 
 /**
  * 表示数组类型
@@ -23,7 +23,7 @@ export interface SchemaReference {
  */
 export interface SchemaEnum {
   enum: Array<string | number | boolean | null>
-  type?: 'string' | 'number' | 'integer' | 'boolean' | 'null'
+  type?: SchemaPrimitive
 }
 
 /**
diff --git a/packages/wormhole/src/plugins/presets/rename.ts b/packages/wormhole/src/plugins/presets/rename.ts
index f57bd6c..5d15649 100644
--- a/packages/wormhole/src/plugins/presets/rename.ts
+++ b/packages/wormhole/src/plugins/presets/rename.ts
@@ -32,7 +32,7 @@ export interface RenameConfig {
    * Custom transformation function
    * Will be applied before style transformation
    */
-  transform?: (apiDescriptor: ApiDescriptor) => string
+  transform?: (apiDescriptor: ApiDescriptor, value: string) => string
 }
 
 function toCamelCase(str: string): string {
@@ -69,7 +69,7 @@ function applyRenameRule(value: string, config: RenameConfig, apiDescriptor: Api
   }
 
   if (config.transform) {
-    value = config.transform(apiDescriptor)
+    value = config.transform(apiDescriptor, value)
   }
 
   if (!config.style) {
diff --git a/packages/wormhole/test/plugins/payloadModifier.spec.ts b/packages/wormhole/test/plugins/payloadModifier.spec.ts
index 97a5331..05af761 100644
--- a/packages/wormhole/test/plugins/payloadModifier.spec.ts
+++ b/packages/wormhole/test/plugins/payloadModifier.spec.ts
@@ -11,7 +11,7 @@ describe('payloadModifier plugin tests', () => {
 
   it('modifies query/path parameters and removes matched ones', () => {
     const handleApi = getHandleApi([
-      { scope: 'params', match: 'age', handler: () => ({ required: true, value: 'string' }) },
+      { scope: 'params', match: 'age', handler: () => ({ required: true, value: ['string', 'number', 'boolean'] }) },
       { scope: 'params', match: 'debug', handler: () => null },
       { scope: 'pathParams', match: 'id', handler: () => ({ required: false, value: 'string' }) },
     ])
@@ -21,7 +21,7 @@ describe('payloadModifier plugin tests', () => {
       method: 'get',
       parameters: [
         { name: 'id', in: 'path', required: true, schema: { type: 'integer' } },
-        { name: 'age', in: 'query', required: false, schema: { type: 'integer' } },
+        { name: 'age', in: 'query', required: false, schema: { type: 'integer', description: 'hello age' } },
         { name: 'debug', in: 'query', required: false, schema: { type: 'boolean' } },
         { name: 'q', in: 'query', required: false, schema: { type: 'string' } },
       ],
@@ -32,7 +32,10 @@ describe('payloadModifier plugin tests', () => {
     const result = handleApi(api)!
     // age converted to string and required true
     const ageParam = result.parameters!.find(p => p.in === 'query' && p.name === 'age')!
-    expect((ageParam.schema as SchemaObject)?.type).toBe('string')
+    expect(ageParam.schema).toEqual({
+      description: 'hello age',
+      oneOf: [{ type: 'string' }, { type: 'number' }, { type: 'boolean' }],
+    })
     expect(ageParam.required).toBe(true)
 
     // debug removed
diff --git a/packages/wormhole/typings/plugins.d.ts b/packages/wormhole/typings/plugins.d.ts
index f2c2b10..1bf8946 100644
--- a/packages/wormhole/typings/plugins.d.ts
+++ b/packages/wormhole/typings/plugins.d.ts
@@ -309,7 +309,7 @@ export declare function filterApiDescriptor(apiDescriptor: ApiDescriptor, config
 export declare function apiFilter(config: FilterApiConfig | FilterApiConfig[]): ApiPlugin;
 export declare function importType(config: Record<string, string[]>): ApiPlugin;
 export type ModifierScope = "params" | "pathParams" | "data" | "response";
-export type SchemaPrimitive = "number" | "string" | "boolean" | "undefined" | "null" | "unknown" | "any" | "never";
+export type SchemaPrimitive = "number" | "string" | "boolean" | "undefined" | "null" | "unknown" | "any" | "never" | ({} & string);
 /**
  * 表示数组类型
  */
@@ -329,7 +329,7 @@ export interface SchemaReference {
  */
 export interface SchemaEnum {
 	enum: Array<string | number | boolean | null>;
-	type?: "string" | "number" | "integer" | "boolean" | "null";
+	type?: SchemaPrimitive;
 }
 /**
  * 组合类型表示（与/或/交叉）
@@ -398,7 +398,7 @@ export interface RenameConfig {
 	 * Custom transformation function
 	 * Will be applied before style transformation
 	 */
-	transform?: (apiDescriptor: ApiDescriptor) => string;
+	transform?: (apiDescriptor: ApiDescriptor, value: string) => string;
 }
 /**
  * Creates a rename plugin that transforms API descriptors