diff --git a/src/Flows.js b/src/Flows.js
index 8c781b4..b376263 100644
--- a/src/Flows.js
+++ b/src/Flows.js
@@ -13,7 +13,6 @@ import {API, PKUHELPER_ROOT} from './flows_api';
 const IMAGE_BASE=PKUHELPER_ROOT+'services/pkuhole/images/';
 const AUDIO_BASE=PKUHELPER_ROOT+'services/pkuhole/audios/';
 
-const SEARCH_PAGESIZE=50;
 const CLICKABLE_TAGS={a: true, audio: true};
 const PREVIEW_REPLY_COUNT=10;
 const QUOTE_BLACKLIST=['23333','233333','66666','666666','10086','10000','100000','99999','999999','55555','555555'];
@@ -711,17 +710,20 @@ export class Flow extends PureComponent {
                     })
                     .catch(failed);
             } else if(this.state.mode==='search') {
-                API.get_search(SEARCH_PAGESIZE*page,this.state.search_param,this.props.token)
+                API.get_search(page,this.state.search_param,this.props.token)
                     .then((json)=>{
-                        const finished=json.data.length<SEARCH_PAGESIZE;
-                        this.setState({
+                        const finished=json.data.length===0;
+                        this.setState((prev,props)=>({
                             chunks: {
                                 title: 'Result for "'+this.state.search_param+'"',
-                                data: json.data,
+                                data: prev.chunks.data.concat(json.data.filter((x)=>(
+                                    prev.chunks.data.length===0 ||
+                                    !(prev.chunks.data.slice(-100).some((p)=>p.pid===x.pid))
+                                ))),
                             },
                             mode: finished ? 'search_finished' : 'search',
                             loading_status: 'done',
-                        });
+                        }));
                     })
                     .catch(failed);
             } else if(this.state.mode==='single') {
diff --git a/src/UserAction.js b/src/UserAction.js
index 8e0dfad..3e27a96 100644
--- a/src/UserAction.js
+++ b/src/UserAction.js
@@ -2,7 +2,7 @@ import React, {Component, PureComponent} from 'react';
 import copy from 'copy-to-clipboard';
 import {API_BASE,SafeTextarea} from './Common';
 import {MessageViewer} from './Message';
-import {API_VERSION_PARAM,PKUHELPER_ROOT,API,get_json} from './flows_api';
+import {API_VERSION_PARAM, PKUHELPER_ROOT, API, get_json, token_param} from './flows_api';
 
 import './UserAction.css';
 
@@ -301,7 +301,7 @@ export class ReplyForm extends Component {
         data.append('pid',this.props.pid);
         data.append('text',this.state.text);
         data.append('user_token',this.props.token);
-        fetch(API_BASE+'/api.php?action=docomment'+API_VERSION_PARAM(), {
+        fetch(API_BASE+'/api.php?action=docomment'+token_param(this.props.token), {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/x-www-form-urlencoded',
@@ -381,7 +381,7 @@ export class PostForm extends Component {
         if(img)
             data.append('data',img);
 
-        fetch(API_BASE+'/api.php?action=dopost'+API_VERSION_PARAM(), {
+        fetch(API_BASE+'/api.php?action=dopost'+token_param(this.props.token), {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/x-www-form-urlencoded',
diff --git a/src/flows_api.js b/src/flows_api.js
index 291b30d..ef69de0 100644
--- a/src/flows_api.js
+++ b/src/flows_api.js
@@ -8,12 +8,14 @@ export function API_VERSION_PARAM() {
 }
 export {PKUHELPER_ROOT};
 
-function token_param(token) {
+export function token_param(token) {
     return API_VERSION_PARAM()+(token ? ('&user_token='+token) : '');
 }
 
 export {get_json};
 
+const SEARCH_PAGESIZE=50;
+
 export const API={
     load_replies: (pid,token,color_picker,cache_version)=>{
         pid=parseInt(pid);
@@ -74,7 +76,7 @@ export const API={
         data.append('user_token',token);
         data.append('pid',pid);
         data.append('switch',attention ? '1' : '0');
-        return fetch(API_BASE+'/api.php?action=attention'+API_VERSION_PARAM(), {
+        return fetch(API_BASE+'/api.php?action=attention'+token_param(token), {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/x-www-form-urlencoded',
@@ -99,7 +101,7 @@ export const API={
         data.append('user_token',token);
         data.append('pid',pid);
         data.append('reason',reason);
-        return fetch(API_BASE+'/api.php?action=report'+API_VERSION_PARAM(), {
+        return fetch(API_BASE+'/api.php?action=report'+token_param(token), {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/x-www-form-urlencoded',
@@ -130,10 +132,11 @@ export const API={
             });
     },
 
-    get_search: (pagesize,keyword,token)=>{
+    get_search: (page,keyword,token)=>{
         return fetch(
             API_BASE+'/api.php?action=search'+
-            '&pagesize='+pagesize+
+            '&pagesize='+SEARCH_PAGESIZE+
+            '&page='+page+
             '&keywords='+encodeURIComponent(keyword)+
             token_param(token)
         )