diff --git a/src/App.js b/src/App.js
index 3469467..6f7c880 100644
--- a/src/App.js
+++ b/src/App.js
@@ -20,6 +20,7 @@ class App extends Component {
     super(props);
     load_config();
     load_attentions();
+    window.AS_BACKUP = localStorage['DEFAULT_ALLOW_SEARCH'] ? true : false;
     listen_darkmode(
       { default: undefined, light: false, dark: true }[
         window.config.color_scheme
diff --git a/src/Flows.js b/src/Flows.js
index d0aab43..9249305 100644
--- a/src/Flows.js
+++ b/src/Flows.js
@@ -572,7 +572,8 @@ class FlowSidebar extends PureComponent {
       });
   }
 
-  report(text = '') {
+  report(event, text = '') {
+    console.log(text);
     let reason = prompt(`举报 #${this.state.info.pid} 的理由：`, text);
     if (reason !== null) {
       API.report(this.state.info.pid, reason, this.props.token)
@@ -842,7 +843,7 @@ class FlowSidebar extends PureComponent {
                 do_block={() => {this.block(
                   reply.name, 'comment', reply.cid, this.load_replies.bind(this)
                 )}}
-                do_report={() => {this.report(`评论区${reply.name}，评论id ${reply.cid}`)}}
+                do_report={(e) => {this.report(e, `评论区${reply.name}，评论id ${reply.cid}`)}}
               />
             </ClickHandler>
           </LazyLoad>
@@ -1257,8 +1258,11 @@ export class Flow extends PureComponent {
   constructor(props) {
     super(props);
     this.state = {
-      submode: this.props.mode == 'list' ? (window.config.by_c ? 1 : 0) : 0,
-      subflow_render_key: +new Date(),
+      submode: this.props.mode == 'list' ? (
+        window.LIST_SUBMOD_BACKUP !== undefined ? window.LIST_SUBMOD_BACKUP : (
+          (window.config.by_c ? 1 : 0)
+        )
+      ) : 0,
     }
   }
 
@@ -1273,9 +1277,10 @@ export class Flow extends PureComponent {
   }
 
   set_submode(submode) {
+    if (this.props.mode == 'list')
+      window.LIST_SUBMOD_BACKUP = submode;
     this.setState({
       submode: submode,
-      subflow_render_key: +new Date(),
     });
   }
 
@@ -1297,10 +1302,10 @@ export class Flow extends PureComponent {
         </div>
 
         <SubFlow
-          key={this.state.subflow_render_key}
+          key={submode}
           show_sidebar={this.props.show_sidebar}
           mode={this.props.mode}
-          submode={this.state.submode}
+          submode={submode}
           search_text={this.props.search_text}
           token={this.props.token}
         />
diff --git a/src/Title.js b/src/Title.js
index bba77b1..90f4865 100644
--- a/src/Title.js
+++ b/src/Title.js
@@ -121,7 +121,7 @@ class ControlBar extends PureComponent {
               onClick={this.do_refresh_bound}
             >
               <span className="icon icon-refresh" />
-              <span className="control-btn-label">最新</span>
+              <span className="control-btn-label">刷新</span>
             </a>
             {!!token && (
               <a
diff --git a/src/UserAction.js b/src/UserAction.js
index fa04dea..8134fc1 100644
--- a/src/UserAction.js
+++ b/src/UserAction.js
@@ -396,6 +396,7 @@ export class PostForm extends Component {
     const { cw, allow_search, has_poll, poll_options } = this.state;
     window.CW_BACKUP = cw;
     window.AS_BACKUP = allow_search;
+    localStorage['DEFAULT_ALLOW_SEARCH'] = allow_search ? '1' : '';
     window.POLL_BACKUP = has_poll ? JSON.stringify(poll_options) : null;
   }
 
diff --git a/src/fonts_7/icomoon.css b/src/fonts_7/icomoon.css
index 5dc1726..49071f0 100644
--- a/src/fonts_7/icomoon.css
+++ b/src/fonts_7/icomoon.css
@@ -108,10 +108,3 @@
 .icon-eye-blocked:before {
   content: "\e9d1";
 }
-.icon-trash:before {
-  content: "\1f5d1";
-}
-
-.icon-block:before {
-  content: "\1F6C7";
-}