diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 80146b8..ce0c053 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -70,7 +70,10 @@ dependencies {
     implementation("com.squareup.okhttp3:okhttp-sse:4.12.0")
     implementation("io.noties.markwon:core:4.6.2")
     implementation("io.noties.markwon:ext-tables:4.6.2")
-    implementation("io.noties.markwon:html:4.6.2") // 👈 HTML标签支持
+    implementation("io.noties.markwon:html:4.6.2")
+    implementation("io.noties.markwon:linkify:4.6.2") // 👈 链接自动识别
+    implementation("io.noties.markwon:ext-strikethrough:4.6.2") // 👈 删除线支持
+    implementation("io.noties.markwon:ext-tasklist:4.6.2") // 👈 任务列表支持
     implementation("com.github.getActivity:XXPermissions:18.2")
     implementation(libs.androidx.appcompat)
     implementation(libs.androidx.core.ktx)
diff --git a/app/src/main/java/com/stand/standapp/ui/chat/components/ChatArea.kt b/app/src/main/java/com/stand/standapp/ui/chat/components/ChatArea.kt
index 6445272..26ed2e4 100644
--- a/app/src/main/java/com/stand/standapp/ui/chat/components/ChatArea.kt
+++ b/app/src/main/java/com/stand/standapp/ui/chat/components/ChatArea.kt
@@ -191,6 +191,10 @@ fun MarkwonRenderer(markdown: String, modifier: Modifier) {
             val markwon = io.noties.markwon.Markwon.builder(ctx)
                 .usePlugin(io.noties.markwon.core.CorePlugin.create())
                 .usePlugin(io.noties.markwon.ext.tables.TablePlugin.create(ctx))
+                .usePlugin(io.noties.markwon.html.HtmlPlugin.create())
+                .usePlugin(io.noties.markwon.linkify.LinkifyPlugin.create())
+                .usePlugin(io.noties.markwon.ext.strikethrough.StrikethroughPlugin.create())
+                .usePlugin(io.noties.markwon.ext.tasklist.TaskListPlugin.create(ctx))
                 .build()
 
             textView.tag = markwon
diff --git a/app/src/main/java/com/stand/standapp/ui/chat/repo/AiChatRepository.kt b/app/src/main/java/com/stand/standapp/ui/chat/repo/AiChatRepository.kt
index 5ec8509..d64b35b 100644
--- a/app/src/main/java/com/stand/standapp/ui/chat/repo/AiChatRepository.kt
+++ b/app/src/main/java/com/stand/standapp/ui/chat/repo/AiChatRepository.kt
@@ -65,8 +65,13 @@ class AiChatRepository {
                         while (reader.readLine().also { line = it } != null) {
                             val curLine = line ?: continue
                             if (curLine.startsWith("data:")) {
-                                val chunk = curLine.substring(5).trim()
-                                trySend(chunk)
+                                val content = curLine.substring(5)
+                                // 👈 空data行表示换行，非空行发送内容
+                                if (content.isBlank()) {
+                                    trySend("\n")
+                                } else {
+                                    trySend(content)
+                                }
                             }
                         }
                     }