diff --git a/src/index.ts b/src/index.ts
index 508453b..ea4956b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -19,7 +19,7 @@ type ComputedOptions<
   TWatch extends Record<string, (...args: any[]) => void>,
   TComputed extends Record<
     string,
-    (data: TData & { [K in keyof TProperty]: any }) => any
+    (data: TData & WechatMiniprogram.Component.PropertyOptionToData<TProperty>) => any
   >,
   TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {},
 > = (Partial<WechatMiniprogram.Component.Data<TData>> &
@@ -48,7 +48,7 @@ export function ComponentWithComputed<
   TWatch extends Record<string, (...args: any[]) => void>,
   TComputed extends Record<
     string,
-    (data: TData & { [K in keyof TProperty]: any }) => any
+    (data: TData & WechatMiniprogram.Component.PropertyOptionToData<TProperty>) => any
   >,
   TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {},
 >(
@@ -75,7 +75,7 @@ export function BehaviorWithComputed<
   TWatch extends Record<string, (...args: any[]) => void>,
   TComputed extends Record<
     string,
-    (data: TData & { [K in keyof TProperty]: any }) => any
+    (data: TData & WechatMiniprogram.Component.PropertyOptionToData<TProperty>) => any
   >,
   TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {},
 >(
diff --git a/types/index.d.ts b/types/index.d.ts
index 9d9b154..bd04fb4 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -9,19 +9,19 @@ declare type ComputedInstance<D extends WechatMiniprogram.Component.DataOption,
         [K in keyof P]: any;
     };
 };
-declare type ComputedOptions<TData extends WechatMiniprogram.Component.DataOption, TProperty extends WechatMiniprogram.Component.PropertyOption, TMethod extends WechatMiniprogram.Component.MethodOption, TWatch extends Record<string, (...args: any[]) => void>, TComputed extends Record<string, (data: TData & {
-    [K in keyof TProperty]: any;
-}) => any>, TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {}> = (Partial<WechatMiniprogram.Component.Data<TData>> & Partial<WechatMiniprogram.Component.Property<TProperty>> & Partial<WechatMiniprogram.Component.Method<TMethod>> & Partial<WechatMiniprogram.Component.OtherOption> & Partial<WechatMiniprogram.Component.Lifetimes> & {
+declare type ComputedOptions<TData extends WechatMiniprogram.Component.DataOption, TProperty extends WechatMiniprogram.Component.PropertyOption, TMethod extends WechatMiniprogram.Component.MethodOption, TWatch extends Record<string, (...args: any[]) => void>, TComputed extends Record<string, (
+    data: TData & WechatMiniprogram.Component.PropertyOptionToData<TProperty>
+) => any>, TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {}> = (Partial<WechatMiniprogram.Component.Data<TData>> & Partial<WechatMiniprogram.Component.Property<TProperty>> & Partial<WechatMiniprogram.Component.Method<TMethod>> & Partial<WechatMiniprogram.Component.OtherOption> & Partial<WechatMiniprogram.Component.Lifetimes> & {
     watch?: TWatch;
     computed?: TComputed;
     template?: string;
 }) & ThisType<ComputedInstance<TData, TProperty, TMethod, TComputed, TCustomInstanceProperty>>;
-export declare function ComponentWithComputed<TData extends WechatMiniprogram.Component.DataOption, TProperty extends WechatMiniprogram.Component.PropertyOption, TMethod extends WechatMiniprogram.Component.MethodOption, TWatch extends Record<string, (...args: any[]) => void>, TComputed extends Record<string, (data: TData & {
-    [K in keyof TProperty]: any;
-}) => any>, TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {}>(options: ComputedOptions<TData, TProperty, TMethod, TWatch, TComputed, TCustomInstanceProperty>): string;
-export declare function BehaviorWithComputed<TData extends WechatMiniprogram.Behavior.DataOption, TProperty extends WechatMiniprogram.Behavior.PropertyOption, TMethod extends WechatMiniprogram.Behavior.MethodOption, TWatch extends Record<string, (...args: any[]) => void>, TComputed extends Record<string, (data: TData & {
-    [K in keyof TProperty]: any;
-}) => any>, TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {}>(options: ComputedOptions<TData, TProperty, TMethod, TWatch, TComputed, TCustomInstanceProperty>): string;
+export declare function ComponentWithComputed<TData extends WechatMiniprogram.Component.DataOption, TProperty extends WechatMiniprogram.Component.PropertyOption, TMethod extends WechatMiniprogram.Component.MethodOption, TWatch extends Record<string, (...args: any[]) => void>, TComputed extends Record<string, (
+    data: TData & WechatMiniprogram.Component.PropertyOptionToData<TProperty>
+) => any>, TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {}>(options: ComputedOptions<TData, TProperty, TMethod, TWatch, TComputed, TCustomInstanceProperty>): string;
+export declare function BehaviorWithComputed<TData extends WechatMiniprogram.Behavior.DataOption, TProperty extends WechatMiniprogram.Behavior.PropertyOption, TMethod extends WechatMiniprogram.Behavior.MethodOption, TWatch extends Record<string, (...args: any[]) => void>, TComputed extends Record<string, (
+    data: TData & WechatMiniprogram.Component.PropertyOptionToData<TProperty>
+) => any>, TCustomInstanceProperty extends WechatMiniprogram.IAnyObject = {}>(options: ComputedOptions<TData, TProperty, TMethod, TWatch, TComputed, TCustomInstanceProperty>): string;
 export declare enum DataTracerMode {
     Auto = 0,
     Proxy = 1,