diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 254bdf4e..8b47b813 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -138,7 +138,7 @@
             android:name=".activities.AboutActivity"
             android:configChanges="screenSize|screenLayout|orientation|smallestScreenSize|keyboardHidden"
             android:windowSoftInputMode="adjustResize" />
-        <activity android:name=".activities.JumpActivity">
+        <activity android:name=".activities.DispatchActivity">
             <intent-filter>
                 <data
                     android:host="tieba.baidu.com"
@@ -152,6 +152,9 @@
                 <data
                     android:host="tieba.baidu.com"
                     android:scheme="https" />
+                <data
+                    android:host="unidispatch"
+                    android:scheme="com.baidu.tieba" />
 
                 <action android:name="android.intent.action.VIEW" />
 
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ThreadActivity.kt b/app/src/main/java/com/huanchengfly/tieba/post/ThreadActivity.kt
index abf13b87..7a964267 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ThreadActivity.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ThreadActivity.kt
@@ -314,8 +314,8 @@ class ThreadActivity : BaseActivity(), View.OnClickListener {
 
     private var preloadId = -1
     private fun preload() {
+        PreLoader.destroy(preloadId)
         if (hasMore() && !sort) {
-            PreLoader.destroy(preloadId)
             preloadId = PreLoader.preLoad(ThreadContentLoader(tid!!, page + 1, seeLz))
         }
     }