diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 512e469d..74ea16dc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -142,6 +142,8 @@
             android:configChanges="screenSize|screenLayout|orientation|smallestScreenSize|keyboard|navigation|keyboardHidden"
             android:enabled="false"
             android:exported="true"
+            android:icon="@mipmap/ic_launcher_new"
+            android:roundIcon="@mipmap/ic_launcher_new_round"
             android:launchMode="singleTop"
             android:resizeableActivity="true"
             android:theme="@style/Theme.Splash"
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/api/models/ForumPageBean.kt b/app/src/main/java/com/huanchengfly/tieba/post/api/models/ForumPageBean.kt
index f4f6b9f9..0aeb6fe7 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/api/models/ForumPageBean.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/api/models/ForumPageBean.kt
@@ -251,7 +251,7 @@ class ForumPageBean : ErrorBean() {
             private set
 
         @SerializedName("abstract")
-        var abstractBeans: List<AbstractBean>? = null
+        var abstractBeans: List<AbstractBean?>? = null
             private set
         private var abstractString: String? = null
 
@@ -336,7 +336,8 @@ class ForumPageBean : ErrorBean() {
             }
             if (abstractBeans != null) {
                 val stringBuilder = StringBuilder()
-                for (abstractBean in abstractBeans!!) {
+                for (abstractBean in abstractBeans ?: emptyList()) {
+                    if (abstractBean == null) continue
                     stringBuilder.append(abstractBean.text)
                 }
                 return stringBuilder.toString()