diff --git a/src/layout/__test__/Layout.test.js b/src/layout/__test__/Layout.test.js
index c3e5780595..2be2ea24b2 100644
--- a/src/layout/__test__/Layout.test.js
+++ b/src/layout/__test__/Layout.test.js
@@ -16,7 +16,7 @@ describe('<Row>', () => {
     // 默认值测试
     expect(wrapper.find('.w-row')).toHaveLength(1);
     expect(wrapper.type()).toEqual(Row);
-
+    expect(wrapper.at(0).prop('prefixCls')).toBe('w-row');
   }); 
 
   it('Test tag attributes', () => {
@@ -35,7 +35,7 @@ describe('<Row>', () => {
     wrapper.setProps({ type: 'flex',justify:'start' });
     expect(wrapper.at(0).html()).toContain('<div class="w-row-flex w-row-justify-start"></div>')
   }); 
-  
+
   it('Test align attributes', () => {
     wrapper.setProps({ type: 'flex',align:'middle',justify:null });
     expect(wrapper.at(0).html()).toContain('<div class="w-row-flex w-row-align-middle"></div>')
@@ -44,4 +44,48 @@ describe('<Row>', () => {
   }); 
 
   
+})
+describe('<Col>', () => {
+  const wrapperState = {
+    value: 0,
+  };
+  var wrapper = mount(<Col
+    ></Col>);
+
+  it('Test the default props and node.', () => {
+    expect(wrapper.name()).toBe('Col');
+    // 默认值测试
+    expect(wrapper.find('.w-col')).toHaveLength(1);
+    expect(wrapper.type()).toEqual(Col);
+    expect(wrapper.at(0).prop('prefixCls')).toBe('w-col');
+  }); 
+
+  it('Test tag attributes', () => {
+    wrapper.setProps({ tag: 'div' });
+    expect(wrapper.at(0).html()).toContain('<div class="w-col w-col-24"></div>')
+  });  
+
+  it('Test span attributes', () => {
+    wrapper.setProps({ span: '20' });
+    expect(wrapper.at(0).html()).toContain('<div class="w-col w-col-20"></div>')
+  }); 
+
+  it('Test xs attributes', () => {
+    wrapper.setProps({ span:24, xs: '6' });
+    expect(wrapper.at(0).html()).toContain('<div class="w-col w-col-24 w-col-xs-6"></div>')
+  });
+
+  it('Test sm attributes', () => {
+    wrapper.setProps({ xs: '' ,sm :'8' });
+    expect(wrapper.at(0).html()).toContain('<div class="w-col w-col-24 w-col-sm-8"></div>')
+  });
+  it('Test sm attributes', () => {
+    wrapper.setProps({ sm: '' ,md :'10' });
+    expect(wrapper.at(0).html()).toContain('<div class="w-col w-col-24 w-col-md-10"></div>')
+  });
+  it('Test lg attributes', () => {
+    wrapper.setProps({ md: '' ,lg :'2' });
+    expect(wrapper.at(0).html()).toContain('<div class="w-col w-col-24 w-col-lg-2"></div>')
+  });
+
 })
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