diff --git a/karma.conf.base.js b/karma.conf.base.js
index bf3ebf1f0..f60096f4d 100644
--- a/karma.conf.base.js
+++ b/karma.conf.base.js
@@ -72,6 +72,13 @@ module.exports = function (config) {
         // list of files to exclude
         exclude: [],
 
+        client: {
+            mocha: {
+                // mocha测试超时6秒
+                timeout: 1000 * 6
+            }
+        },
+
 
         // preprocess matching files before serving them to the browser
         // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
diff --git a/src/layui.js b/src/layui.js
index 8b873f605..e0b4dbead 100644
--- a/src/layui.js
+++ b/src/layui.js
@@ -415,7 +415,7 @@
     
     //如果是数字，按大小排序，如果是非数字，按字典序排序
     clone.sort(function(o1, o2){
-      var isNum = /^\d+$/
+      var isNum = /^-?\d+$/
       ,v1 = o1[key]
       ,v2 = o2[key];
       
diff --git a/test/lay/modules/laytpl.js b/test/lay/modules/laytpl.js
index 1533e9056..1f2c04f67 100644
--- a/test/lay/modules/laytpl.js
+++ b/test/lay/modules/laytpl.js
@@ -4,6 +4,7 @@
  */
 
 /* global layui */
+/* eslint-disable max-nested-callbacks, fecs-indent */
 
 var laytpl = layui.laytpl;
 
@@ -226,3 +227,4 @@ describe('laytpl', function () {
     });
   });
 });
+/* eslint-enable max-nested-callbacks, fecs-indent */
diff --git a/test/layui.js b/test/layui.js
index 0a26190ae..ea316ac09 100644
--- a/test/layui.js
+++ b/test/layui.js
@@ -4,7 +4,7 @@
  */
 
 /* global layui */
-/* eslint-disable max-nested-callbacks */
+/* eslint-disable max-nested-callbacks, fecs-indent */
 
 var $ = layui.$;
 
@@ -123,7 +123,7 @@ describe('layui', function () {
       layui.each([
         'layui'
       ], function (index, value) {
-        expect(this + '').to.deep.equal(value).and.equal('layui')
+        expect(this + '').to.deep.equal(value).and.equal('layui');
         expect(index).to.equal(0);
         done();
       });
@@ -170,5 +170,336 @@ describe('layui', function () {
       expect(flag).to.equal('version');
     });
   });
+
+  describe('layui.img', function () {
+    var base64 = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==';
+    it('success callback', function (done) {
+      layui.img(base64, function (img) {
+        expect(img).to.not.undefined;
+        expect(typeof(img)).to.equal('object', '是img对象');
+        expect(img.nodeType).to.equal(1, 'img标签节点');
+        expect(img.width).to.equal(1);
+        expect(img.height).to.equal(1);
+        done();
+      });
+    });
+
+    it('error callback', function (done) {
+      layui.img('data:image/gif;base64,d', function () {}, function (e) {
+        expect(e).to.not.undefined;
+        done();
+      });
+    });
+
+    // 先删除, 因为没有哪个图片是决定不变的
+    // it('http 200', function (done) {
+    //   layui.img('https://www.baidu.com/img/bd_logo1.png', function (img) {
+    //     expect(img).to.not.undefined;
+    //     done();
+    //   });
+    // });
+
+    it('http 404', function (done) {
+      layui.img('http://www.404.xx/logo.404.gif', function () {}, function (e) {
+        expect(e).to.not.undefined;
+        done();
+      });
+    });
+
+    it('load complete', function (done) {
+      layui.img(base64, function () {
+        layui.img(base64, function (img) {
+          expect(img).to.not.undefined;
+          done();
+        });
+      });
+    });
+  });
+
+  it('layui.hint', function () {
+    expect(layui.hint).to.be.a('function');
+    expect(layui.hint()).to.be.a('object');
+    expect(layui.hint().error).to.be.a('function');
+  });
+
+  describe('layui.stope', function () {
+    it('stopPropagation', function (done) {
+      layui.stope({
+        stopPropagation: function (e) {
+          expect(e).to.be.undefined;
+          done();
+        }
+      });
+    });
+
+    it('cancelBubble', function () {
+      var event = {};
+      layui.stope(event);
+      expect(event.cancelBubble).to.be.true;
+    });
+
+    // ie中不支持
+    // it('window.event', function () {
+    //   var old = window.event;
+    //   var event = window.event = {};
+    //   layui.stope();
+    //   expect(event.cancelBubble).to.be.true;
+    //   window.event = old;
+    // });
+  });
+
+  describe('layui.onevent', function () {
+    it('check params and return value', function () {
+      expect(layui.onevent).to.be.a('function');
+      expect(layui.onevent()).to.deep.equal(layui);
+      expect(layui.onevent([], [], [])).to.deep.equal(layui);
+      expect(layui.onevent({}, {}, {})).to.deep.equal(layui);
+
+      var result = layui.onevent('test-' + Date.now(), 'click', function () {});
+      expect(result).to.deep.equal(layui);
+    });
+
+    it('bind event', function (done) {
+      var id = 'test-bind-event';
+      var data = {
+        name: 'layui'
+      };
+      var result = layui.onevent(id, 'click', function (param) {
+        expect(result).to.deep.equal(this).and.equal(layui);
+        expect(param).to.deep.equal(data);
+        done();
+      });
+      layui.event(id, 'click', data);
+    });
+
+    it('coverage of the same name event', function () {
+      var id = 'test-same-event';
+      var index = 0;
+      layui.onevent(id, 'click', function () {
+        index = 1;
+      });
+      layui.onevent(id, 'click', function () {
+        index = 2;
+      });
+      layui.event(id, 'click');
+      expect(index).to.equal(2);
+    });
+  });
+
+  describe('layui.event', function () {
+    it('trigger event', function (done) {
+      layui.onevent('test-trigger', 'click(*)', function (data) {
+        expect(data).to.be.true;
+        done();
+      });
+      layui.event('test-trigger', 'click(*)', true);
+    });
+
+    it('trigger multiple', function () {
+      var index = 0;
+      var id = 'test-trigger-multiple';
+      layui.onevent(id, 'nav', function () {
+        index += 1;
+      });
+      layui.event(id, 'nav');
+      layui.event(id, 'nav');
+      layui.event(id, 'nav');
+      expect(index).to.equal(3);
+    });
+
+    // todo多个事件
+  });
+
+  describe('layui.sort', function () {
+    var numberData = [
+      {
+        name: 1
+      },
+      {
+        name: 3
+      },
+      {
+        name: 2
+      }
+    ];
+
+    it('check params and return value', function () {
+      // 由于没有值参数, 导致 JSON.parse 失败
+      expect(function () {
+        layui.sort();
+      }).to.throw();
+
+      expect(layui.sort({})).to.deep.equal({});
+      expect(layui.sort({
+        name: 'layui'
+      })).to.deep.equal({
+        name: 'layui'
+      });
+
+      expect(layui.sort([{
+        name: 'layui'
+      }], 'name')).to.deep.equal([{
+        name: 'layui'
+      }]);
+
+      expect(layui.sort([{
+        name: 'layui'
+      }], 'name', true)).to.deep.equal([{
+        name: 'layui'
+      }]);
+    });
+
+    // 测试是否污染原数据
+    it('clone object', function () {
+      var clone = layui.sort(numberData, 'name');
+
+      // 往clone对象添加
+      clone.push('layui');
+
+      expect(clone).to.have.lengthOf(4);
+      expect(numberData).to.have.lengthOf(3);
+    });
+
+    it('format value number', function () {
+      var result = layui.sort([
+        {
+          key: '1'
+        },
+        {
+          key: '-1'
+        },
+        {
+          key: 2
+        },
+        {
+          key: 3
+        }
+      ], 'key');
+      expect(result).to.deep.equal([
+        {
+          key: '-1'
+        },
+        {
+          key: '1'
+        },
+        {
+          key: 2
+        },
+        {
+          key: 3
+        }
+      ]);
+    });
+
+    it('asc order', function () {
+      var result = layui.sort(numberData, 'name');
+      expect(result).to.deep.equal([
+        {
+          name: 1
+        },
+        {
+          name: 2
+        },
+        {
+          name: 3
+        }
+      ]);
+    });
+
+    it('desc order', function () {
+      var result = layui.sort(numberData, 'name', true);
+      expect(result).to.deep.equal([
+        {
+          name: 3
+        },
+        {
+          name: 2
+        },
+        {
+          name: 1
+        }
+      ]);
+    });
+
+    it('error data', function () {
+      var data = [
+        // null,
+        {
+          name: 5
+        },
+        {},
+        [],
+        'test',
+        {
+          name: '3'
+        }
+      ];
+      expect(layui.sort(data, 'name')).to.deep.equal([
+        {},
+        [],
+        'test',
+        {
+          name: '3'
+        },
+        {
+          name: 5
+        }
+      ]);
+    });
+  });
+
+  it('layui.device', function () {
+    expect(layui.device).to.be.a('function');
+    expect(layui.device()).to.be.a('object');
+    expect(layui.device().ie).to.be.not.undefined;
+    expect(layui.device().ios).to.be.not.undefined;
+    expect(layui.device().android).to.be.not.undefined;
+    expect(layui.device().weixin).to.be.a('boolean');
+    expect(layui.device('weixin').weixin).to.be.false;
+    expect(layui.device('.*')['.*']).to.be.not.empty;
+    expect(layui.device('layui.com')['layui.com']).to.be.false;
+  });
+
+  describe('layui.getStyle', function () {
+    it('real test', function () {
+      var elem = $('<div />').css({
+        position: 'fixed',
+        zIndex: 10
+      }).appendTo('body').get(0);
+
+      expect(layui.getStyle(elem, 'position')).to.equal('fixed');
+      expect(layui.getStyle(elem, 'z-index')).to.equal('10');
+    });
+
+    it('mock currentStyle', function (done) {
+      var node = {
+        currentStyle: {
+          getPropertyValue: function (name) {
+            expect(name).to.equal('layui');
+            done();
+          }
+        }
+      };
+      layui.getStyle(node, 'layui');
+    });
+  });
+
+  it('layui.extend', function () {
+    expect(layui.extend).to.be.a('function');
+    expect(layui.extend()).to.deep.equal(layui);
+    expect(layui.extend({
+      v: 'v',
+      util: 'util'
+    })).to.deep.equal(layui);
+
+    var id = 'test-extend-' + Date.now();
+    var data = {};
+    data[id] = id;
+    expect(layui.modules[id]).to.be.undefined;
+    layui.extend(data);
+    expect(layui.modules[id]).to.be.not.undefined;
+    expect(layui.modules[id]).to.equal(id);
+    delete layui.modules[id];
+  });
 });
-/* eslint-enable max-nested-callbacks */
+/* eslint-enable max-nested-callbacks, fecs-indent */