diff --git a/src/Config.js b/src/Config.js
index 6ddbbc3..48945f7 100644
--- a/src/Config.js
+++ b/src/Config.js
@@ -32,6 +32,7 @@ const DEFAULT_CONFIG = {
   block_cw: ['xxg', 'zzxg'],
   block_words_v4: ['🕷️', '[系统自动代发]'],
   whitelist_cw: [],
+  room_id: process.env.REACT_APP_ROOM_ID,
 };
 
 export function load_config() {
@@ -217,6 +218,57 @@ class ConfigColorScheme extends PureComponent {
   }
 }
 
+class ConfigRoomId extends PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = {
+      room_id: window.config.room_id,
+    };
+  }
+
+  save_changes() {
+    this.props.callback({
+      room_id: this.state.room_id,
+    });
+  }
+
+  on_select(e) {
+    let value = e.target.value;
+    this.setState(
+      {
+        room_id: value,
+      },
+      this.save_changes.bind(this),
+    );
+  }
+
+  render() {
+    return (
+      <div>
+        <p>
+          <b>分区编号：</b>
+          <select
+            className="config-select"
+            value={this.state.room_id}
+            onChange={this.on_select.bind(this)}
+          >
+            <option value="0">0区(默认分区)</option>
+            <option value="1">1区(友善分区)</option>
+            <option value="2">2区</option>
+            <option value="3">3区</option>
+            <option value="4">4区</option>
+            <option value="5">5区</option>
+          </select>
+          &nbsp;<small>#room_id</small>
+        </p>
+        <p className="config-description">
+          选择分区编号，会作为发言时的分区和影响查看到的内容
+        </p>
+      </div>
+    );
+  }
+}
+
 class ConfigTextArea extends PureComponent {
   constructor(props) {
     super(props);
@@ -364,6 +416,8 @@ export class ConfigUI extends PureComponent {
             callback={this.save_changes_bound}
           />
           <hr />
+          <ConfigRoomId id="room-id" callback={this.save_changes_bound} />
+          <hr />
           <ConfigSwitch
             callback={this.save_changes_bound}
             id="show_all_rooms"
@@ -375,7 +429,7 @@ export class ConfigUI extends PureComponent {
             callback={this.save_changes_bound}
             id="block_tmp"
             name="屏蔽临时帐号"
-            description="屏蔽所有临时帐号的发言"
+            description="屏蔽所有临时帐号的发言,不展示其他分区的情况下强制屏蔽"
           />
           <hr />
           <ConfigTextArea
diff --git a/src/Flows.js b/src/Flows.js
index ba2ad53..ac2a056 100644
--- a/src/Flows.js
+++ b/src/Flows.js
@@ -35,7 +35,8 @@ const DZ_NAME = '洞主';
 
 function check_block(info) {
   return (
-    ((window.config.block_tmp && info.is_tmp) ||
+    (((window.config.block_tmp || !window.config.show_all_rooms) &&
+      info.is_tmp) ||
       window.config.block_words_v4.some((word) => info.text.includes(word)) ||
       (info.cw &&
         window.config.block_words_v4
@@ -294,7 +295,7 @@ class FlowItem extends PureComponent {
             <code className="box-id">
               <a href={'##' + info.pid} onClick={this.copy_link.bind(this)}>
                 #{info.pid}
-                {info.room_id !== parseInt(process.env.REACT_APP_ROOM_ID) && (
+                {info.room_id !== parseInt(window.config.room_id) && (
                   <> @{info.room_id}</>
                 )}
               </a>
diff --git a/src/Title.js b/src/Title.js
index 5558cac..906e028 100644
--- a/src/Title.js
+++ b/src/Title.js
@@ -206,7 +206,7 @@ export function Title(props) {
               }
             >
               新T树洞
-              <sup>{process.env.REACT_APP_ROOM_ID || '?'}</sup>
+              <sup>{window.config.room_id || '?'}</sup>
             </span>
           </p>
         </div>
diff --git a/src/UserAction.js b/src/UserAction.js
index 32a39cf..791de57 100644
--- a/src/UserAction.js
+++ b/src/UserAction.js
@@ -588,7 +588,7 @@ export class PostForm extends Component {
       text: text,
       allow_search: allow_search ? '1' : '',
       use_title: use_title ? '1' : '',
-      room_id: process.env.REACT_APP_ROOM_ID,
+      room_id: window.config.room_id,
     });
     if (has_poll) {
       poll_options.forEach((opt) => {
@@ -881,7 +881,7 @@ export class PostForm extends Component {
             <a href="/policy.html" target="_blank">
               树洞管理规范（试行）
             </a>
-            ，文明发言。
+            和所在分区的规定，文明发言。
           </small>
         </p>
         <p>
diff --git a/src/flows_api.js b/src/flows_api.js
index e2d4856..359213a 100644
--- a/src/flows_api.js
+++ b/src/flows_api.js
@@ -169,7 +169,7 @@ export const API = {
   get_list: async (page, token, submode) => {
     let response = await fetch(
       `${get_api_base()}/getlist?p=${page}&order_mode=${submode}&room_id=${
-        window.config.show_all_rooms ? '' : process.env.REACT_APP_ROOM_ID
+        window.config.show_all_rooms ? '' : window.config.room_id
       }`,
       {
         headers: { 'User-Token': token },
@@ -181,7 +181,7 @@ export const API = {
   get_search: async (page, keyword, token, submode) => {
     let response = await fetch(
       `${get_api_base()}/search?search_mode=${submode}&page=${page}&room_id=${
-        window.config.show_all_rooms ? '' : process.env.REACT_APP_ROOM_ID
+        window.config.show_all_rooms ? '' : window.config.room_id
       }&keywords=${encodeURIComponent(keyword)}&pagesize=${SEARCH_PAGESIZE}`,
       {
         headers: { 'User-Token': token },