fix: poll

src/Flows.js

@@ -927,10 +927,11 @@ class FlowItemRow extends PureComponent {
       if (ans.option === vote) ans.votes += 1;
     });
 
-    this.setState({
+    this.setState(
+      {
         info: Object.assign({}, info, { poll: current_poll }),
-    });
-
+      },
+      () => {
         API.add_vote(vote, info.pid, this.props.token)
           .then((json) => {
             if (json.code !== 0) return;
@@ -943,6 +944,8 @@ class FlowItemRow extends PureComponent {
             console.error(e);
             alert('投票失败');
           });
+      },
+    );
   }
 
   load_replies(callback, update_count = true) {