diff --git a/src/forge/Activity/Activity.js b/src/forge/Activity/Activity.js
index fed2992a..4a7a1d34 100644
--- a/src/forge/Activity/Activity.js
+++ b/src/forge/Activity/Activity.js
@@ -40,6 +40,11 @@ class Activity extends Component{
       type:undefined,
       state:undefined,
       page:1,
+      pr_count:undefined,
+      new_pr_count:undefined,
+      close_issues_count:undefined,
+      open_issues_count:undefined,
+      pr_all_count:undefined,issues_count:undefined,
 
       data:undefined,
       project_trends:undefined,
@@ -67,7 +72,13 @@ class Activity extends Component{
         this.setState({
           data:result.data,
           project_trends:result.data.project_trends,
-          isSpin:false
+          isSpin:false,
+          pr_count:result.data.pr_count,
+          new_pr_count:result.data.new_pr_count,
+          close_issues_count:result.data.close_issues_count,
+          open_issues_count:result.data.open_issues_count,
+          pr_all_count:result.data.pr_all_count,
+          issues_count:result.data.issues_count,
         })
         window.scrollTo(0,0);
       }
@@ -113,12 +124,14 @@ class Activity extends Component{
     </Menu>
   )
   render(){
-    const { time , data , page , project_trends , isSpin } = this.state;
+    const { time , data , page , project_trends , isSpin , pr_count , new_pr_count , close_issues_count , open_issues_count , pr_all_count ,issues_count } = this.state;
     let name = time ? ARRAY.filter(item=>item.id === parseInt(time)) :[{name:"全部"}];
-    const first_per = data && (parseInt(data.pr_count)/parseInt(data.pr_all_count)*100).toFixed(2)+'%';
-    const second_per =data && (parseInt(data.new_pr_count)/parseInt(data.pr_all_count)*100).toFixed(2)+'%';
-    const third_per =data && (parseInt(data.close_issues_count)/parseInt(data.issues_count)*100).toFixed(2)+'%';
-    const fourth_per =data && (parseInt(data.open_issues_count)/parseInt(data.issues_count)*100).toFixed(2)+'%';
+
+    const first_per = pr_all_count > 0 ? `${parseFloat(pr_count/pr_all_count).toFixed(2)*100}%` :"50%";
+    const second_per =pr_all_count > 0 ? `${parseFloat(new_pr_count/pr_all_count).toFixed(2)*100}%` :"50%";
+    const third_per =issues_count > 0 ?`${parseFloat(close_issues_count/issues_count).toFixed(2)*100}%` :"50%";
+    const fourth_per =issues_count > 0 ?`${parseFloat(open_issues_count/issues_count).toFixed(2)*100}%` :"50%";
+    
     return(
       <div className="main">