Merge branch 'dev' of http://git.ycjcjy.com/zhiyuxing/miniapp-v3 into dev

src/pages/project/activity/index.js

     }
     render() {
         const { helpGroupList } = this.props
-        if (!helpGroupList.length) return null;
+        // if (!helpGroupList.length) return null;
 
         return (
             <View className="activity-box" style={`background: url(${transferImage(bgImg)}) no-repeat center;background-size: 100% 100%;`}>

src/pages/project/index.js

                 <Newsbanner showNesBox={this.handleNewsbannerShow} cityId={curCity.id} onClick={this.handleNoticeClick} onClickMore={this.toNewsList} />
               </View >
               {/* 热门活动*/}
-              <Activity helpGroupList={helpGroupList} cityId={curCity.id} />
+              {
+                helpGroupList && helpGroupList.length &&
+                (<Activity helpGroupList={helpGroupList} cityId={curCity.id} />)
+              }              
               {/* 推荐楼盘 */}
               {this.renderProjectList()}
             </ScrollView>}