diff --git a/lib/index.d.ts b/lib/index.d.ts
index 47e0627..c210805 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -15,11 +15,15 @@ export interface ICacheOptions<T> {
      */
     expire?: number;
     /**
-     * 获取数据的方法
+     * 获取数据
+     * @param query 查询条件
      */
-    fetch: {
-        (key?: string | number): Promise<T>;
-    };
+    fetch(query?: any): Promise<T>;
+    /**
+     * 计算 hash 值
+     * @param query 查询条件
+     */
+    hash?(query?: any): string;
 }
 /**
  * @file jfetchs
@@ -27,8 +31,8 @@ export interface ICacheOptions<T> {
  * Cache of fetch data
  * @author
  *   zswang (http://weibo.com/zswang)
- * @version 0.1.27
- * @date 2018-09-16
+ * @version 1.0.0
+ * @date 2018-09-26
  */
 export declare class Cache<T> {
     /**
@@ -54,10 +58,16 @@ export declare class Cache<T> {
     expire: 1,
     fetch: (() => {
       let count = 0
-      return key => {
-        return Promise.resolve(`cache1 ${key}${count++}`)
+      return query => {
+        return Promise.resolve(`cache1 ${query}${count++}`)
       }
     })(),
+    hash: query => {
+      if (['string', 'number', 'boolean'].includes(typeof query)) {
+        return String(query)
+      }
+      return JSON.stringify(query)
+    },
   })
   cache1.fetch('c').then(data => {
     console.log(data)
@@ -189,11 +199,11 @@ export declare class Cache<T> {
       ```js
       let cache6 = new jfetchs.Cache({
     debug: true,
-    fetch: key => {
-      if (key === 6) {
+    fetch: query => {
+      if (query === 6) {
         return Promise.resolve(666)
       }
-      return Promise.reject(`cache6 ${key} error`)
+      return Promise.reject(`cache6 ${query} error`)
     },
   })
   cache6.fetch('ok').catch(err => {
@@ -244,7 +254,7 @@ export declare class Cache<T> {
   }, 100)
       ```
      */
-    fetch(key?: string | number): Promise<T>;
+    fetch(query?: any): Promise<T>;
     /**
      * 移除缓存 Remove cached data
      * @param key 缓存标志，默认: ''
diff --git a/lib/index.js b/lib/index.js
index 78be3a3..a9b8feb 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -11,14 +11,15 @@ var __assign = (this && this.__assign) || Object.assign || function(t) {
 Object.defineProperty(exports, "__esModule", { value: true });
 var jfetchs_memory_1 = require("jfetchs-memory");
 exports.MemoryStore = jfetchs_memory_1.MemoryStore;
+var crypto_1 = require("crypto");
 /**
  * @file jfetchs
  *
  * Cache of fetch data
  * @author
  *   zswang (http://weibo.com/zswang)
- * @version 0.1.27
- * @date 2018-09-16
+ * @version 1.0.0
+ * @date 2018-09-26
  */
 var Cache = /** @class */ (function () {
     function Cache(options) {
@@ -34,6 +35,13 @@ var Cache = /** @class */ (function () {
         if (!this.options.store) {
             this.options.store = new jfetchs_memory_1.MemoryStore();
         }
+        if (!this.options.hash) {
+            this.options.hash = function (query) {
+                return crypto_1.createHash('sha1')
+                    .update(JSON.stringify(query))
+                    .digest('hex');
+            };
+        }
     }
     /**
      * 获取数据 Fetch cached data
@@ -45,10 +53,16 @@ var Cache = /** @class */ (function () {
     expire: 1,
     fetch: (() => {
       let count = 0
-      return key => {
-        return Promise.resolve(`cache1 ${key}${count++}`)
+      return query => {
+        return Promise.resolve(`cache1 ${query}${count++}`)
       }
     })(),
+    hash: query => {
+      if (['string', 'number', 'boolean'].includes(typeof query)) {
+        return String(query)
+      }
+      return JSON.stringify(query)
+    },
   })
   cache1.fetch('c').then(data => {
     console.log(data)
@@ -180,11 +194,11 @@ var Cache = /** @class */ (function () {
       ```js
       let cache6 = new jfetchs.Cache({
     debug: true,
-    fetch: key => {
-      if (key === 6) {
+    fetch: query => {
+      if (query === 6) {
         return Promise.resolve(666)
       }
-      return Promise.reject(`cache6 ${key} error`)
+      return Promise.reject(`cache6 ${query} error`)
     },
   })
   cache6.fetch('ok').catch(err => {
@@ -235,9 +249,10 @@ var Cache = /** @class */ (function () {
   }, 100)
       ```
      */
-    Cache.prototype.fetch = function (key) {
+    Cache.prototype.fetch = function (query) {
         var _this = this;
-        if (key === void 0) { key = ''; }
+        if (query === void 0) { query = ''; }
+        var key = this.options.hash(query);
         // 日志前缀
         var prefix = typeof this.options.debug === 'string'
             ? " " + JSON.stringify(this.options.debug) + (key === '' ? '' : "(" + key + ")")
@@ -245,7 +260,7 @@ var Cache = /** @class */ (function () {
         // 数据正在获取中
         if (this.fetching[key]) {
             if (this.options.debug) {
-                console.log("jfetchs/src/index.ts:115" + prefix + " fetching in queue");
+                console.log("jfetchs/src/index.ts:129" + prefix + " fetching in queue");
             }
             return new Promise(function (resolve, reject) {
                 _this.queue[key] = _this.queue[key] || [];
@@ -260,17 +275,17 @@ var Cache = /** @class */ (function () {
             return new Promise(function (resolve, reject) {
                 if (data !== undefined) {
                     if (_this.options.debug) {
-                        console.log("jfetchs/src/index.ts:131" + prefix + " hitting cache");
+                        console.log("jfetchs/src/index.ts:145" + prefix + " hitting cache");
                     }
                     _this.fetching[key] = false;
                     return resolve(data);
                 }
                 if (_this.options.debug) {
-                    console.log("jfetchs/src/index.ts:138" + prefix + " missing cache");
+                    console.log("jfetchs/src/index.ts:152" + prefix + " missing cache");
                 }
                 _this.flush(key);
                 _this.options
-                    .fetch(key)
+                    .fetch(query)
                     .then(function (data) {
                     return _this.options.store
                         .save(key, data, _this.options.expire)
diff --git a/lib/index.ts b/lib/index.ts
index fdd4fd2..f9a28e2 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -1,5 +1,6 @@
 import { ICacheStore } from 'jfetchs-util'
 import { MemoryStore } from 'jfetchs-memory'
+import { createHash } from 'crypto'
 export { MemoryStore }
 export interface ICacheOptions<T> {
   /**
@@ -15,11 +16,15 @@ export interface ICacheOptions<T> {
    */
   expire?: number
   /**
-   * 获取数据的方法
+   * 获取数据
+   * @param query 查询条件
    */
-  fetch: {
-    (key?: string | number): Promise<T>
-  }
+  fetch(query?: any): Promise<T>
+  /**
+   * 计算 hash 值
+   * @param query 查询条件
+   */
+  hash?(query?: any): string
 }
 /**
  * @file jfetchs
@@ -27,8 +32,8 @@ export interface ICacheOptions<T> {
  * Cache of fetch data
  * @author
  *   zswang (http://weibo.com/zswang)
- * @version 0.1.27
- * @date 2018-09-16
+ * @version 1.0.0
+ * @date 2018-09-26
  */
 export class Cache<T> {
   /**
@@ -57,6 +62,13 @@ export class Cache<T> {
     if (!this.options.store) {
       this.options.store = new MemoryStore<T>()
     }
+    if (!this.options.hash) {
+      this.options.hash = query => {
+        return createHash('sha1')
+          .update(JSON.stringify(query))
+          .digest('hex')
+      }
+    }
   }
   /**
    * 获取数据 Fetch cached data
@@ -68,10 +80,16 @@ export class Cache<T> {
   expire: 1,
   fetch: (() => {
     let count = 0
-    return key => {
-      return Promise.resolve(`cache1 ${key}${count++}`)
+    return query => {
+      return Promise.resolve(`cache1 ${query}${count++}`)
     }
   })(),
+  hash: query => {
+    if (['string', 'number', 'boolean'].includes(typeof query)) {
+      return String(query)
+    }
+    return JSON.stringify(query)
+  },
 })
 cache1.fetch('c').then(data => {
   console.log(data)
@@ -203,11 +221,11 @@ cache5.fetch(8).catch(err => {
     ```js
     let cache6 = new jfetchs.Cache({
   debug: true,
-  fetch: key => {
-    if (key === 6) {
+  fetch: query => {
+    if (query === 6) {
       return Promise.resolve(666)
     }
-    return Promise.reject(`cache6 ${key} error`)
+    return Promise.reject(`cache6 ${query} error`)
   },
 })
 cache6.fetch('ok').catch(err => {
@@ -258,7 +276,8 @@ setTimeout(() => {
 }, 100)
     ```
    */
-  fetch(key: string | number = ''): Promise<T> {
+  fetch(query: any = ''): Promise<T> {
+    let key = this.options.hash(query)
     // 日志前缀
     const prefix =
       typeof this.options.debug === 'string'
@@ -269,7 +288,7 @@ setTimeout(() => {
     // 数据正在获取中
     if (this.fetching[key]) {
       if (this.options.debug) {
-        console.log(`jfetchs/src/index.ts:115${prefix} fetching in queue`)
+        console.log(`jfetchs/src/index.ts:129${prefix} fetching in queue`)
       }
       return new Promise((resolve, reject) => {
         this.queue[key] = this.queue[key] || []
@@ -284,17 +303,17 @@ setTimeout(() => {
       return new Promise((resolve, reject) => {
         if (data !== undefined) {
           if (this.options.debug) {
-            console.log(`jfetchs/src/index.ts:131${prefix} hitting cache`)
+            console.log(`jfetchs/src/index.ts:145${prefix} hitting cache`)
           }
           this.fetching[key] = false
           return resolve(data)
         }
         if (this.options.debug) {
-          console.log(`jfetchs/src/index.ts:138${prefix} missing cache`)
+          console.log(`jfetchs/src/index.ts:152${prefix} missing cache`)
         }
         this.flush(key)
         this.options
-          .fetch(key)
+          .fetch(query)
           .then(data => {
             return this.options.store
               .save(key, data, this.options.expire)
diff --git a/package.json b/package.json
index fcd1e08..c84181d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jfetchs",
-  "version": "0.1.27",
+  "version": "1.0.0",
   "description": "Cache of fetch data",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
diff --git a/src/index.ts b/src/index.ts
index 8c534fc..23eb0c8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,6 @@
 import { ICacheStore } from 'jfetchs-util'
 import { MemoryStore } from 'jfetchs-memory'
+import { createHash } from 'crypto'
 
 export { MemoryStore }
 export interface ICacheOptions<T> {
@@ -16,11 +17,15 @@ export interface ICacheOptions<T> {
    */
   expire?: number
   /**
-   * 获取数据的方法
+   * 获取数据
+   * @param query 查询条件
    */
-  fetch: {
-    (key?: string | number): Promise<T>
-  }
+  fetch(query?: any): Promise<T>
+  /**
+   * 计算 hash 值
+   * @param query 查询条件
+   */
+  hash?(query?: any): string
 }
 
 /*<jdists encoding="ejs" data="../package.json">*/
@@ -70,6 +75,13 @@ export class Cache<T> {
     if (!this.options.store) {
       this.options.store = new MemoryStore<T>()
     }
+    if (!this.options.hash) {
+      this.options.hash = query => {
+        return createHash('sha1')
+          .update(JSON.stringify(query))
+          .digest('hex')
+      }
+    }
   }
 
   /**
@@ -100,7 +112,9 @@ export class Cache<T> {
     (*<jdists import="?debug[desc='resume']" />*)
     ```
    */
-  fetch(key: string | number = ''): Promise<T> {
+  fetch(query: any = ''): Promise<T> {
+    let key = this.options.hash(query)
+
     // 日志前缀
     const prefix =
       typeof this.options.debug === 'string'
@@ -140,7 +154,7 @@ export class Cache<T> {
 
         this.flush(key)
         this.options
-          .fetch(key)
+          .fetch(query)
           .then(data => {
             return this.options.store
               .save(key, data, this.options.expire)
@@ -190,10 +204,16 @@ let cache1 = new jfetchs.Cache({
   expire: 1,
   fetch: (() => {
     let count = 0
-    return key => {
-      return Promise.resolve(`cache1 ${key}${count++}`)
+    return query => {
+      return Promise.resolve(`cache1 ${query}${count++}`)
     }
   })(),
+  hash: query => {
+    if (['string', 'number', 'boolean'].includes(typeof query)) {
+      return String(query)
+    }
+    return JSON.stringify(query)
+  },
 })
 
 cache1.fetch('c').then(data => {
@@ -343,11 +363,11 @@ cache5.fetch(8).catch(err => {
 /*<debug desc="key">*/
 let cache6 = new jfetchs.Cache({
   debug: true,
-  fetch: key => {
-    if (key === 6) {
+  fetch: query => {
+    if (query === 6) {
       return Promise.resolve(666)
     }
-    return Promise.reject(`cache6 ${key} error`)
+    return Promise.reject(`cache6 ${query} error`)
   },
 })
 
diff --git a/test/index.js b/test/index.js
index c07b4d9..b4b7d3d 100644
--- a/test/index.js
+++ b/test/index.js
@@ -19,10 +19,16 @@ describe("src/index.ts", function () {
   expire: 1,
   fetch: (() => {
     let count = 0
-    return key => {
-      return Promise.resolve(`cache1 ${key}${count++}`)
+    return query => {
+      return Promise.resolve(`cache1 ${query}${count++}`)
     }
   })(),
+  hash: query => {
+    if (['string', 'number', 'boolean'].includes(typeof query)) {
+      return String(query)
+    }
+    return JSON.stringify(query)
+  },
 })
 cache1.fetch('c').then(data => {
   examplejs_print(data)
@@ -158,11 +164,11 @@ cache5.fetch(8).catch(err => {
     examplejs_printLines = [];
     let cache6 = new jfetchs.Cache({
   debug: true,
-  fetch: key => {
-    if (key === 6) {
+  fetch: query => {
+    if (query === 6) {
       return Promise.resolve(666)
     }
-    return Promise.reject(`cache6 ${key} error`)
+    return Promise.reject(`cache6 ${query} error`)
   },
 })
 cache6.fetch('ok').catch(err => {