diff --git a/client/src/components/input-box.wpy b/client/src/components/input-box.wpy
index 5cf24ae..50d4abc 100644
--- a/client/src/components/input-box.wpy
+++ b/client/src/components/input-box.wpy
@@ -151,8 +151,8 @@
   <view class="shadow" style="opacity:{{ shadowOpacity }};animation:{{ shadowAnimation }} 0.35s;" />
   <view class="modal" style="bottom:{{ modalBottom }}rpx;height:{{ modalHeight }}rpx;opacity:{{ modalOpacity }};animation:{{ modalAnimation }} 0.35s;">
     <text class="title">{{ title }}</text>
-    <input class="singleline-input" value="{{text}}" @blur="onBlur" placeholder="{{ placeholder }}" cursor-spacing="150" maxlength="{{ maxlength }}" wx:if="{{ !multiline }}" />
-    <textarea class="multiline-input" value="{{text}}" @blur="onBlur" placeholder="{{ placeholder }}" maxlength="{{ maxlength }}" cursor-spacing="175" wx:if="{{ multiline }}" />
+    <input class="singleline-input" value="{{text}}" @input="onInput" placeholder="{{ placeholder }}" cursor-spacing="150" maxlength="{{ maxlength }}" wx:if="{{ !multiline }}" />
+    <textarea class="multiline-input" value="{{text}}" @input="onInput" placeholder="{{ placeholder }}" maxlength="{{ maxlength }}" cursor-spacing="175" wx:if="{{ multiline }}" />
     <view class="cancel-container" @tap="onCancelTap">
       <view class="cancel">{{ cancelText }}</view>
     </view>
@@ -205,12 +205,8 @@ export default class InputBox extends wepy.component {
       this.$apply();
     },
 
-    // // 监听用户输入
-    // onInput(e) {
-    //   this.text = e.detail.value;
-    // },
-
-    onBlur(e) {
+    // 监听用户输入
+    onInput(e) {
       this.text = e.detail.value;
     },
 
diff --git a/client/src/pages/room-detail.wpy b/client/src/pages/room-detail.wpy
index 6707e40..d29a97a 100644
--- a/client/src/pages/room-detail.wpy
+++ b/client/src/pages/room-detail.wpy
@@ -172,7 +172,7 @@ input {
       </view>
       <view class="btn-area">
         <button type="primary" @tap="onBackTap">{{t.back_button}}</button>
-        <button @tap="onDeleteTap">{{t.delete_button}}</button>
+        <button wx:if="{{room.isHost}}" @tap="onDeleteTap">{{t.delete_button}}</button>
       </view>
     </view>
     <feedback></feedback>
@@ -205,11 +205,7 @@ export default class RoomDetail extends wepy.page {
       });
     },
     onBackTap() {
-      if (getCurrentPages().length > 1) { // eslint-disable-line
-        wepy.navigateBack({ delta: 1 });
-      } else {
-        this.$redirect('index');
-      }
+      this.back();
     },
     async onDeleteTap() {
       const { confirm } = await wepy.showModal({
@@ -227,7 +223,7 @@ export default class RoomDetail extends wepy.page {
       });
 
       if (result) {
-        this.onBackTap();
+        this.back();
       }
     }
   };
@@ -245,5 +241,13 @@ export default class RoomDetail extends wepy.page {
     });
     this.$apply();
   }
+
+  back() {
+    if (getCurrentPages().length > 1) { // eslint-disable-line
+      wepy.navigateBack({ delta: 1 });
+    } else {
+      this.$redirect('index');
+    }
+  }
 }
 </script>