diff --git a/pages/exercise/index.js b/pages/exercise/index.js
index caf453b..ed4e72b 100644
--- a/pages/exercise/index.js
+++ b/pages/exercise/index.js
@@ -119,7 +119,12 @@ wx.getStorage({
   },
   choosequestioncat:function(){
     wx.navigateTo({
-      url: '/pages/questioncat/index',
+      url: '/pages/questioncat/index?type=2',
+    })
+  },
+  choosequestioncat2:function(){
+    wx.navigateTo({
+      url: '/pages/questioncat/index?type=3',
     })
   },
   start1:function(){
diff --git a/pages/exercise/index.wxml b/pages/exercise/index.wxml
index 3325528..5b74ea2 100644
--- a/pages/exercise/index.wxml
+++ b/pages/exercise/index.wxml
@@ -4,7 +4,14 @@
         <view class="page__desc">选择题库分类进行练习。</view>
     </view>
     <view class="page__bd page__bd_spacing">
-        <button class="weui-btn" type="primary" bindtap='choosequestioncat'>选择分类</button>
+        <view style="width:50%;float:left">
+            <button class="weui-btn" type="primary" bindtap='choosequestioncat'>自建分类</button>
+        </view>
+        <view style="width:50%;float:left;">
+            <button class="weui-btn" type="primary" bindtap='choosequestioncat2' style="margin-left:2px">共享分类</button>
+        </view>
+        
+        
         <view class="weui-cells__title">已选分类</view>
     <view class="weui-cells weui-cells_after-title" style="height: 5.3em">
         {{catsname}}
diff --git a/pages/questioncat/index.js b/pages/questioncat/index.js
index 4089c87..4c7a2fb 100644
--- a/pages/questioncat/index.js
+++ b/pages/questioncat/index.js
@@ -11,13 +11,17 @@ Page({
     selectList: [],  //已选择的元素列表
     originalList: [], //最原始的数据列表
     indexList: [],  //存储目录层级的数组，用于准确的返回上一层
-    selectList: [],  //已选中的人员列表
+    selectList: [],  //已选中的人员列表,
+    type:2
   },
 
   onLoad: function (options) {
     wx.setNavigationBarTitle({
       title: '选择分类'
     })
+    if(options.type){
+      this.data.type = options.type
+    }
     this.init();
   },
 
@@ -25,7 +29,7 @@ Page({
     //上次选中的列表，用于判断是不是取消选中了
     this.lastTimeSelect = []
     wx.request({
-      url: getApp().globalData.serverUrl + 'api/questioncat?a=tree3',
+      url: getApp().globalData.serverUrl + 'api/questioncat?a=tree' + this.data.type.toString(),
       header: {
         'content-type': 'application/json', // 默认值
         'Cookie': getApp().globalData.sessionId,