diff --git a/lib/Api.js b/lib/Api.js
index 233e012..516f767 100644
--- a/lib/Api.js
+++ b/lib/Api.js
@@ -4,16 +4,15 @@ var Promise = require('bluebird');
 var util = require('./util');
 var config = require('./config');
 var Request = require('./Request');
+var YhsdParamError = require('./Error').YhsdParamError;
 
 var reqCountMap = {};
-paramError = new Error('缺少参数');
-promiseError = new Error('`getRequestCount`和`saveRequestCount`必须是 function');
 
 function check(option) {
   if (option &&
     (option.getRequestCount || option.saveRequestCount) &&
     (!util.isFunction(option.getRequestCount) || !util.isFunction(option.saveRequestCount))) {
-    throw promiseError;
+    throw new YhsdParamError('option.getRequestCount 和 option.saveRequestCount 必须是函数!');;
   }
 }
 
@@ -65,7 +64,7 @@ var reqCountWrap = function (token, fn) {
  */
 var Api = function (token, option) {
   if (arguments.length < 1) {
-    throw paramError;
+    throw new YhsdParamError(['token', 'option']);
   }
   check(option);
 
@@ -91,7 +90,7 @@ Api.prototype = {
    */
   get: function (path, query) {
     if (arguments.length < 1) {
-      throw paramError;
+      throw new YhsdParamError(['path', 'query']);
     }
     return this.request('GET', query ? path + '?' + querystring.stringify(query) : path, null);
   },
@@ -103,7 +102,7 @@ Api.prototype = {
    */
   put: function (path, data) {
     if (arguments.length < 2) {
-      throw paramError;
+      throw new YhsdParamError(['path', 'data']);
     }
     return this.request('PUT', path, data);
   },
@@ -115,7 +114,7 @@ Api.prototype = {
    */
   post: function (path, data) {
     if (arguments.length < 2) {
-      throw paramError;
+      throw new YhsdParamError(['path', 'data']);
     }
     return this.request('POST', path, data);
   },
@@ -126,7 +125,7 @@ Api.prototype = {
    */
   delete: function (path) {
     if (arguments.length < 1) {
-      throw paramError;
+      throw new YhsdParamError(['path']);
     }
     return this.request('DELETE', path, null);
   },
diff --git a/lib/Auth.js b/lib/Auth.js
index 9e2e119..f2be7f7 100644
--- a/lib/Auth.js
+++ b/lib/Auth.js
@@ -2,8 +2,9 @@ var querystring = require('querystring');
 var crypto = require('crypto');
 var config = require('./config');
 var Request = require('./Request');
+var YhsdError = require('./Error').YhsdError;
+var YhsdParamError = require('./Error').YhsdParamError;
 var timeOffset = 1000 * 60 * 10;
-var paramError = new Error('缺少参数');
 
 /**
  * 构造函数
@@ -20,11 +21,11 @@ var paramError = new Error('缺少参数');
  */
 var Auth = function (options) {
   if (arguments.length < 1 || !options.appKey || !options.appSecret) {
-    throw paramError;
+    throw new YhsdParamError(['options.appKey', 'options.appSecret']);
   }
   if (!options.private) {
     if (!options.callbackUrl) {
-      throw paramError;
+      throw new YhsdParamError(['options.callbackUrl']);
     }
     options.scope || (options.scope = ['read_basic']);
   }
@@ -50,7 +51,7 @@ Auth.prototype = {
    */
   verifyHmac: function (queryObj) {
     if (arguments.length < 1) {
-      throw paramError;
+      throw new YhsdParamError(['query.hmac', 'query.time_stamp']);
     }
     var hmac = queryObj.hmac;
     delete queryObj.hmac;
@@ -67,7 +68,7 @@ Auth.prototype = {
    */
   getAuthorizeUrl: function (shopKey, state) {
     if (arguments.length < 1) {
-      throw paramError;
+      throw new YhsdParamError(['shopKey', 'state']);
     }
     return this.protocol + '://' + this.host + '/oauth2/authorize?' + querystring.stringify({
       response_type: 'code',
@@ -95,7 +96,7 @@ Auth.prototype = {
       };
     } else {
       if (arguments.length < 1) {
-        throw paramError;
+        throw new YhsdParamError(['code']);
       }
       params = {
         grant_type: 'authorization_code',
@@ -112,8 +113,15 @@ Auth.prototype = {
       headers: headers
     };
     return this._request.request(option, params).then(function (data) {
-      if (!data.token.length) {
-        throw new Error('无效的 token');
+      if (!data || !data.token) {
+        switch ((data || {}).error) {
+          case 'invalid_grant':
+            throw new YhsdError('未授权, 请检查 appKey, appSecret!');   
+          case 'invalid_client':
+            throw new YhsdError('无效客户端, 请检查 appKey, appSecret!');
+          default:
+            throw new YhsdError('获取 token 失败!');
+        }
       }
       return data.token;
     });
diff --git a/lib/Error.js b/lib/Error.js
new file mode 100644
index 0000000..c2cb57b
--- /dev/null
+++ b/lib/Error.js
@@ -0,0 +1,27 @@
+var util = require('./util')
+
+function YhsdError(message) {
+  var e = new Error()
+  e.name = this.name = 'YhsdError';
+  this.message = message || '';
+  this.stack = (e).stack;
+}
+YhsdError.prototype = Object.create(Error.prototype);
+YhsdError.prototype.constructor = YhsdError;
+
+module.exports.YhsdError = YhsdError
+
+function YhsdParamError() {
+  var message = '参数异常';
+  if (util.isString(arguments[0])) message = '参数异常: ' + arguments.join(';');
+  if (util.isArray(arguments[0])) message = '缺少参数: ' + arguments[0].join(',');
+
+  var e = new Error()
+  e.name = this.name = 'YhsdParamError';
+  this.message = message;
+  this.stack = (e).stack;
+}
+YhsdParamError.prototype = Object.create(Error.prototype);
+YhsdParamError.prototype.constructor = YhsdParamError;
+
+module.exports.YhsdParamError = YhsdParamError
\ No newline at end of file
diff --git a/lib/WebHook.js b/lib/WebHook.js
index 3eeb189..05f6461 100644
--- a/lib/WebHook.js
+++ b/lib/WebHook.js
@@ -1,13 +1,14 @@
-var paramError = new Error('缺少参数');
 var crypto = require('crypto');
 
+var YhsdParamError = require('./Error').YhsdParamError;
+
 /**
  * 初始化
  * @param {string} webHookToken
  */
 var WebHook = function(webHookToken) {
   if (arguments.length < 1) {
-    throw paramError;
+    throw new YhsdParamError(['webHookToken']);
   }
   this.token = webHookToken;
 };
@@ -21,7 +22,7 @@ WebHook.prototype = {
    */
   verifyHmac: function(hmac, bodyData) {
     if (arguments.length < 2) {
-      throw paramError;
+      throw new YhsdParamError(['hmac', 'bodyData']);
     }
     var calculatedHmac = crypto.createHmac('sha256', this.token).update(bodyData, 'utf8').digest('base64');
     return hmac === calculatedHmac;
diff --git a/lib/util.js b/lib/util.js
index 13b37ca..9a19a7e 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -2,6 +2,12 @@ module.exports = {
   isPromise: function (object) {
     return object && this.isObject(object) && this.isFunction(object.then);
   },
+  isString: function (string) {
+    return typeof string === 'string';
+  },
+  isArray: function (array) {
+    return typeof array === 'object' && array instanceof Array;
+  },
   isObject: function (object) {
     return typeof object === 'object';
   },
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..c7d3d1f
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,553 @@
+{
+  "name": "yhsd-api",
+  "version": "2.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "abbrev": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
+      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
+      "dev": true
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "dev": true,
+      "optional": true
+    },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "dev": true,
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
+    "async": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "bluebird": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "dev": true,
+      "optional": true
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "debug": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+      "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+      "dev": true,
+      "requires": {
+        "ms": "0.7.1"
+      }
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+    "deep-is": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "dev": true
+    },
+    "diff": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-1.4.0.tgz",
+      "integrity": "sha1-fyjS657nsVqX79ic5j3P2qPMur8=",
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+      "integrity": "sha1-Tbwv5nTnGUnK8/smlc5/LcHZqNE=",
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+      "integrity": "sha1-WltTr0aTEQvrsIZ6o0MN07cKEBg=",
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+      "requires": {
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+        "estraverse": "^1.9.1",
+        "esutils": "^2.0.2",
+        "optionator": "^0.8.1",
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+      "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+      "dev": true
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+      "integrity": "sha1-r2fy3JIlgkFZUJJgkaQAXSnJu0Q=",
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+      "integrity": "sha1-Dqd0NxXbjY3ixe3hd14bRayFwC8=",
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+      "dev": true,
+      "requires": {
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+        "neo-async": "^2.6.0",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4",
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+      },
+      "dependencies": {
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+        }
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+        "handlebars": "^4.0.1",
+        "js-yaml": "3.x",
+        "mkdirp": "0.5.x",
+        "nopt": "3.x",
+        "once": "1.x",
+        "resolve": "1.1.x",
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+      "requires": {
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+      "dev": true,
+      "requires": {
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+      "dev": true,
+      "requires": {
+        "commander": "2.3.0",
+        "debug": "2.2.0",
+        "diff": "1.4.0",
+        "escape-string-regexp": "1.0.2",
+        "glob": "3.2.11",
+        "growl": "1.9.2",
+        "jade": "0.26.3",
+        "mkdirp": "0.5.1",
+        "supports-color": "1.2.0",
+        "to-iso-string": "0.0.2"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.3.0.tgz",
+          "integrity": "sha1-/UMOiJgy7DU7ms0d4hfBHLPu+HM=",
+          "dev": true
+        },
+        "glob": {
+          "version": "3.2.11",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-3.2.11.tgz",
+          "integrity": "sha1-Spc/Y1uRkPcV0QmH1cAP0oFevj0=",
+          "dev": true,
+          "requires": {
+            "inherits": "2",
+            "minimatch": "0.3"
+          }
+        },
+        "minimatch": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-0.3.0.tgz",
+          "integrity": "sha1-J12O2qxPG7MyZHIInnlJyDlGmd0=",
+          "dev": true,
+          "requires": {
+            "lru-cache": "2",
+            "sigmund": "~1.0.0"
+          }
+        },
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "dev": true
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "dev": true,
+          "requires": {
+            "minimist": "0.0.8"
+          }
+        },
+        "supports-color": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-1.2.0.tgz",
+          "integrity": "sha1-/x7R5hFp0Gs88tWI4YixjYhH4X4=",
+          "dev": true
+        }
+      }
+    },
+    "ms": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+      "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+      "dev": true
+    },
+    "neo-async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
+      "dev": true
+    },
+    "nopt": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
+      "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+      "dev": true,
+      "requires": {
+        "abbrev": "1"
+      }
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "optionator": {
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
+      "integrity": "sha512-+IW9pACdk3XWmmTXG8m3upGUJst5XRGzxMRjXzAuJ1XnIFNvfhjjIuYkDvysnPQ7qzqVzLt78BCruntqRhWQbA==",
+      "dev": true,
+      "requires": {
+        "deep-is": "~0.1.3",
+        "fast-levenshtein": "~2.0.6",
+        "levn": "~0.3.0",
+        "prelude-ls": "~1.1.2",
+        "type-check": "~0.3.2",
+        "word-wrap": "~1.2.3"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "prelude-ls": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
+      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
+      "dev": true
+    },
+    "resolve": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+      "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
+      "dev": true
+    },
+    "should": {
+      "version": "8.4.0",
+      "resolved": "https://registry.npmjs.org/should/-/should-8.4.0.tgz",
+      "integrity": "sha1-XmCInT5kS73Tl6MM00+tKPz5C8A=",
+      "dev": true,
+      "requires": {
+        "should-equal": "0.8.0",
+        "should-format": "0.3.2",
+        "should-type": "0.2.0"
+      }
+    },
+    "should-equal": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/should-equal/-/should-equal-0.8.0.tgz",
+      "integrity": "sha1-o/BXMv9FusG3ukEvhAiFaBlkEpk=",
+      "dev": true,
+      "requires": {
+        "should-type": "0.2.0"
+      }
+    },
+    "should-format": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/should-format/-/should-format-0.3.2.tgz",
+      "integrity": "sha1-pZgx4Bot3uFJkRvHFIvlyAMZ4f8=",
+      "dev": true,
+      "requires": {
+        "should-type": "0.2.0"
+      }
+    },
+    "should-type": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/should-type/-/should-type-0.2.0.tgz",
+      "integrity": "sha1-ZwfvlVKdmJ3MCY/gdTqx+RNrt/Y=",
+      "dev": true
+    },
+    "sigmund": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
+      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=",
+      "dev": true
+    },
+    "source-map": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+      "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "amdefine": ">=0.0.4"
+      }
+    },
+    "sprintf-js": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
+      "dev": true
+    },
+    "supports-color": {
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
+      "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
+      "dev": true,
+      "requires": {
+        "has-flag": "^1.0.0"
+      }
+    },
+    "to-iso-string": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/to-iso-string/-/to-iso-string-0.0.2.tgz",
+      "integrity": "sha1-TcGeZk38y+Jb2NtQiwDG2hWCVdE=",
+      "dev": true
+    },
+    "type-check": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+      "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "~1.1.2"
+      }
+    },
+    "uglify-js": {
+      "version": "3.9.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.9.4.tgz",
+      "integrity": "sha512-8RZBJq5smLOa7KslsNsVcSH+KOXf1uDU8yqLeNuVKwmT0T3FA0ZoXlinQfRad7SDcbZZRZE4ov+2v71EnxNyCA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "commander": "~2.20.3"
+      }
+    },
+    "which": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+      "dev": true,
+      "requires": {
+        "isexe": "^2.0.0"
+      }
+    },
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "dev": true
+    },
+    "wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index 31b0f64..bc0313e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yhsd-api",
-  "version": "2.1.1",
+  "version": "2.1.2",
   "description": "Youhaosuda API SDK for node.",
   "main": "index.js",
   "repository": {
diff --git a/test/api.test.js b/test/api.test.js
index 3958a21..baf75d0 100644
--- a/test/api.test.js
+++ b/test/api.test.js
@@ -2,24 +2,25 @@
  * Created by obzerg on 16/1/5.
  */
 var should = require('should');
+var YhsdParamError = require('../lib/Error').YhsdParamError;
 var Yhsd = require('../index');
 
 describe('test/api.test.js', function () {
   var api;
   before(function () {
-    api = new Yhsd.Api('5e242b4b41d14a2d8f4d80a9c6b05bea');
+    api = new Yhsd.Api('44046fe73ce8494c8caed56d8b2ad3ad');
   });
 
   it('get api instance should throw error', function () {
     (function () {
       new Yhsd.Api();
-    }).should.throw('缺少参数');
+    }).should.throw(YhsdParamError);
   });
 
   it('http get should be throw error', function () {
     (function () {
       api.get();
-    }).should.throw('缺少参数');
+    }).should.throw(YhsdParamError);
   });
 
   it('http get should be success', function (done) {
@@ -33,7 +34,7 @@ describe('test/api.test.js', function () {
   it('http put should be throw error', function () {
     (function () {
       api.put();
-    }).should.throw('缺少参数');
+    }).should.throw(YhsdParamError);
   });
 
   it('http put should be success', function (done) {
@@ -47,7 +48,7 @@ describe('test/api.test.js', function () {
   it('http post should be throw error', function () {
     (function () {
       api.post();
-    }).should.throw('缺少参数');
+    }).should.throw(YhsdParamError);
   });
 
   it('http post should be success', function (done) {
@@ -62,6 +63,7 @@ describe('test/api.test.js', function () {
     };
     api.post('metas', obj).then(function (body) {
       should.exist(body);
+      
       var id = body.meta.id;
       api.delete('metas/' + id).then(function (body) {
         should.exist(body);
@@ -73,7 +75,7 @@ describe('test/api.test.js', function () {
   it('http delete should be throw error', function () {
     (function () {
       api.delete();
-    }).should.throw('缺少参数');
+    }).should.throw(YhsdParamError);
   });
 
   it('http delete should be success', function (done) {
@@ -104,6 +106,7 @@ describe('test/api.test.js', function () {
   });
 
   it('api should be throw ENOTFOUND error', function (done) {
+    this.timeout(10000)
     var api = new Yhsd.Api('5e242b4b41d14a2d8f4d80a9c6b05bea',{
       host: 'localhost:32876',
       protocol: 'http'
diff --git a/test/auth.test.js b/test/auth.test.js
index 6c1e2e3..5570dfa 100644
--- a/test/auth.test.js
+++ b/test/auth.test.js
@@ -2,9 +2,10 @@
  * Created by obzerg on 16/1/5.
  */
 var should = require('should');
-var Yhsd = require('../index');
 var crypto = require('crypto');
 var querystring = require('querystring');
+var YhsdParamError = require('../lib/Error').YhsdParamError;
+var Yhsd = require('../index');
 
 describe('test/auth.test.js', function () {
     it('get auth instance should be fail', function () {
@@ -12,7 +13,7 @@ describe('test/auth.test.js', function () {
             new Yhsd.Auth({
                 appKey: '548e29e46091449e949a8e1ffe4e4167'
             })
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
         //appKey和appSecret缺一不可
     });
 
@@ -22,7 +23,7 @@ describe('test/auth.test.js', function () {
                 appKey: '548e29e46091449e949a8e1ffe4e4167',
                 appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5'
             })
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
         //缺少callbackUrl
     });
 
@@ -33,7 +34,7 @@ describe('test/auth.test.js', function () {
                 appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5',
                 callbackUrl: 'http://your.app.url'
             }).getToken()
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
         //缺少参数
     });
 
@@ -58,6 +59,7 @@ describe('test/auth.test.js', function () {
         });
         auth.getToken().catch(function (err) {
             should.exist(err);
+            should.ok(err.message == '未授权, 请检查 appKey, appSecret!');
             done();
         });
         //获取私有应用token
@@ -71,6 +73,7 @@ describe('test/auth.test.js', function () {
         });
         auth.getToken('your code').catch(function (err) {
             should.exist(err);
+            should.ok(err.message == '无效客户端, 请检查 appKey, appSecret!');
             done();
         });
         //获取公有应用token应传入code
@@ -83,7 +86,7 @@ describe('test/auth.test.js', function () {
                 appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5' + 'error',
                 callbackUrl: 'http://your.app.url'
             }).getAuthorizeUrl()
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
         //获取授权地址应传入appKey和参数中的state
     });
 
@@ -107,7 +110,7 @@ describe('test/auth.test.js', function () {
                 appSecret: 'b9fec3d128064ea89f1e9b8324eeabc5' + 'error',
                 callbackUrl: 'http://your.app.url'
             }).verifyHmac()
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
     });
     //验证hmac需传入参数json对象
 
diff --git a/test/request.test.js b/test/request.test.js
index 9bec36e..1032669 100644
--- a/test/request.test.js
+++ b/test/request.test.js
@@ -45,10 +45,10 @@ describe('test/request.test.js', function () {
       },
     });
     it('should return ok', function (done) {
+      this.timeout(12000)
       var i = 0;
 
       function request() {
-        console.time('complete');
         _request.request({
           hostname: Yhsd.config.apiHost,
           path: '/v1/shop',
@@ -58,10 +58,6 @@ describe('test/request.test.js', function () {
             'X-API-ACCESS-TOKEN': token
           }
         })
-          .then(function () {
-            // console.timeEnd('complete');
-            // console.log(reqCountMap[token], i);
-          })
           .then(function () {
             if (i < 200) {
               request();
diff --git a/test/webhook.test.js b/test/webhook.test.js
index 736c5b0..f0dbb42 100644
--- a/test/webhook.test.js
+++ b/test/webhook.test.js
@@ -2,6 +2,7 @@
  * Created by obzerg on 16/1/5.
  */
 var should = require('should');
+var YhsdParamError = require('../lib/Error').YhsdParamError;
 var Yhsd = require('../index');
 
 describe('test/webhook.test.js', function () {
@@ -12,13 +13,13 @@ describe('test/webhook.test.js', function () {
     it('get webhook instance should be fail', function () {
         (function () {
             new Yhsd.WebHook()
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
     });
 
     it('verifyHmac should be throw error', function () {
         (function () {
             webHook.verifyHmac()
-        }).should.throw('缺少参数');
+        }).should.throw(YhsdParamError);
     });
 
     it('verifyHmac should be fail', function () {