diff --git a/app/src/main/java/com/huanchengfly/tieba/post/arch/BaseComposeActivity.kt b/app/src/main/java/com/huanchengfly/tieba/post/arch/BaseComposeActivity.kt
index 15792837..f9071908 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/arch/BaseComposeActivity.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/arch/BaseComposeActivity.kt
@@ -44,7 +44,9 @@ abstract class BaseComposeActivityWithData<DATA> : BaseComposeActivity() {
 
     @Composable
     final override fun Content() {
-        Content(data!!)
+        data?.let { data ->
+            Content(data)
+        }
     }
 
     @Composable
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/subposts/SubPostsPage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/subposts/SubPostsPage.kt
index 4ebf4708..4b1e4883 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/subposts/SubPostsPage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/subposts/SubPostsPage.kt
@@ -540,14 +540,11 @@ private fun getDescText(
     time: Long?,
     ipAddress: String?
 ): String {
-    val texts = mutableListOf<String>()
-    if (time != null) texts.add(DateTimeUtils.getRelativeTimeString(App.INSTANCE, time))
-    if (!ipAddress.isNullOrEmpty()) texts.add(
-        App.INSTANCE.getString(
-            R.string.text_ip_location,
-            "$ipAddress"
-        )
+    val texts = listOfNotNull(
+        time?.let { DateTimeUtils.getRelativeTimeString(App.INSTANCE, it) },
+        ipAddress?.let { App.INSTANCE.getString(R.string.text_ip_location, it) }
     )
+    if (texts.isEmpty()) return ""
     return texts.joinToString(" ")
 }
 
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadPage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadPage.kt
index 5f50d9bf..0c1aac65 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadPage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadPage.kt
@@ -187,16 +187,18 @@ private fun getDescText(
     floor: Int,
     ipAddress: String?
 ): String {
-    val texts = mutableListOf<String>()
-    if (time != null) texts.add(getRelativeTimeString(App.INSTANCE, time))
-    if (floor > 1) texts.add(App.INSTANCE.getString(R.string.tip_post_floor, floor))
-    if (!ipAddress.isNullOrEmpty()) texts.add(
-        App.INSTANCE.getString(
+    val texts = listOfNotNull(
+        time?.let { getRelativeTimeString(App.INSTANCE, it) },
+        if (floor > 1) App.INSTANCE.getString(R.string.tip_post_floor, floor) else null,
+        if (ipAddress.isNullOrEmpty()) null else App.INSTANCE.getString(
             R.string.text_ip_location,
-            "$ipAddress"
+            ipAddress
         )
     )
-    return texts.joinToString(" ")
+    if (texts.isEmpty()) {
+        return ""
+    }
+    return texts.joinToString(" · ")
 }
 
 @Composable