diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 23603c6..43b9412 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -20,8 +20,8 @@ android {
         applicationId = "com.frischar.fantareal"
         minSdk = 26
         targetSdk = 34
-        versionCode = 14
-        versionName = "1.6.3"
+        versionCode = 15
+        versionName = "1.6.4"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app/src/main/java/com/frischar/fantareal/app/usecase/ChatOrchestrator.kt b/app/src/main/java/com/frischar/fantareal/app/usecase/ChatOrchestrator.kt
index 7170181..f564188 100644
--- a/app/src/main/java/com/frischar/fantareal/app/usecase/ChatOrchestrator.kt
+++ b/app/src/main/java/com/frischar/fantareal/app/usecase/ChatOrchestrator.kt
@@ -18,6 +18,9 @@ import com.frischar.fantareal.domain.worldbook.InjectionPosition
 import com.frischar.fantareal.domain.worldbook.WorldbookEngine
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
+import kotlinx.serialization.json.jsonPrimitive
+import kotlinx.serialization.json.contentOrNull
+import kotlinx.serialization.json.JsonArray
 import java.util.UUID
 
 class ChatOrchestrator(
@@ -161,12 +164,71 @@ class ChatOrchestrator(
                     }
                     is LlmStreamEvent.Done -> {
                         val parsedContent = parseAssistantContent(currentContent)
+                        val finalVisible = parsedContent.visible.ifBlank { "[Error: Empty assistant response]" }
                         conversationRepository.updateMessage(
                             id = assistantMsgId,
-                            newContent = parsedContent.visible.ifBlank { "[Error: Empty assistant response]" },
+                            newContent = finalVisible,
                             thinking = parsedContent.thinking,
                             saveToDisk = true
                         )
+
+                        if (parsedContent.visible.isNotBlank() && settings.useSmartSplit) {
+                            try {
+                                val subagentPrompt = """
+                                    你是一个聊天输出后处理器。
+
+                                    你的任务是将输入文本整理成用于前端聊天气泡显示的内容。
+
+                                    规则：
+                                    1. 不得改写原文内容。
+                                    2. 不得新增剧情、补充描写或解释。
+                                    3. 不得润色文本。
+                                    4. 只移除明显不属于聊天正文的状态栏、系统栏、格式标签、空行和无意义分隔符。
+                                    5. 保留有效的角色动作、旁白、对白和剧情正文。
+                                    6. 按自然语义或句子进行切分。
+                                    7. 每个聊天气泡的内容之间，必须严格使用 `===` 作为唯一分隔符。
+                                    8. 只输出纯文本，绝对不要输出 JSON 或 Markdown，不要输出解释。
+
+                                    输入文本：
+                                    ${parsedContent.visible}
+                                """.trimIndent()
+                                val subagentReq = LlmRequest(
+                                    model = settings.model,
+                                    system = "You are a text formatter. Output only plain text separated by ===.",
+                                    messages = listOf(com.frischar.fantareal.domain.llm.LlmMessage(role = "user", content = subagentPrompt)),
+                                    temperature = 0.1,
+                                    stream = true
+                                )
+                                var subagentResponse = ""
+                                conversationRepository.updateMessageBubbles(assistantMsgId, listOf("子代理正在切分气泡..."), saveToDisk = false)
+
+                                provider.stream(subagentReq).collect { event ->
+                                    if (event is LlmStreamEvent.Token) {
+                                        subagentResponse += event.text
+                                        val currentVisible = parseAssistantContent(subagentResponse).visible
+                                        val streamingBubbles = currentVisible.split("===")
+                                            .map { it.trim() }
+                                            .filter { it.isNotEmpty() }
+                                        if (streamingBubbles.isNotEmpty()) {
+                                            conversationRepository.updateMessageBubbles(assistantMsgId, streamingBubbles, saveToDisk = false)
+                                        }
+                                    }
+                                }
+
+                                val finalVisibleSubagent = parseAssistantContent(subagentResponse).visible
+                                val finalBubbles = finalVisibleSubagent.split("===")
+                                    .map { it.trim() }
+                                    .filter { it.isNotEmpty() }
+
+                                if (finalBubbles.isNotEmpty()) {
+                                    conversationRepository.updateMessageBubbles(assistantMsgId, finalBubbles, saveToDisk = true)
+                                } else {
+                                    conversationRepository.updateMessageBubbles(assistantMsgId, listOf(finalVisible), saveToDisk = true)
+                                }
+                            } catch (e: Exception) {
+                                conversationRepository.updateMessageBubbles(assistantMsgId, listOf(finalVisible), saveToDisk = true)
+                            }
+                        }
                     }
                 }
             }
diff --git a/app/src/main/java/com/frischar/fantareal/data/repository/ConversationRepository.kt b/app/src/main/java/com/frischar/fantareal/data/repository/ConversationRepository.kt
index c3f510a..da8aaa2 100644
--- a/app/src/main/java/com/frischar/fantareal/data/repository/ConversationRepository.kt
+++ b/app/src/main/java/com/frischar/fantareal/data/repository/ConversationRepository.kt
@@ -64,6 +64,21 @@ class ConversationRepository(
         }
     }
 
+    suspend fun updateMessageBubbles(id: String, bubbles: List<String>, saveToDisk: Boolean = true) {
+        initialLoad.join()
+        if (saveToDisk) {
+            mutateMessages { current ->
+                current.map {
+                    if (it.id == id) it.copy(bubbles = bubbles) else it
+                }
+            }
+        } else {
+            _messages.value = _messages.value.map {
+                if (it.id == id) it.copy(bubbles = bubbles) else it
+            }
+        }
+    }
+
     suspend fun clearMessages() {
         initialLoad.join()
         mutateMessages { emptyList() }
diff --git a/app/src/main/java/com/frischar/fantareal/data/repository/SettingsRepository.kt b/app/src/main/java/com/frischar/fantareal/data/repository/SettingsRepository.kt
index 69d136f..4fdb9bc 100644
--- a/app/src/main/java/com/frischar/fantareal/data/repository/SettingsRepository.kt
+++ b/app/src/main/java/com/frischar/fantareal/data/repository/SettingsRepository.kt
@@ -1,4 +1,4 @@
-package com.frischar.fantareal.data.repository
+package com.frischar.fantareal.data.repository
 
 import android.content.Context
 import android.content.SharedPreferences
@@ -24,7 +24,8 @@ data class AppSettings(
     val aiAvatarUri: String? = null,
     val fontSize: Float = 16f,
     val fontColor: String = "",
-    val splitRegex: String = ""
+    val splitRegex: String = "",
+    val useSmartSplit: Boolean = true
 )
 
 @Serializable
@@ -42,7 +43,8 @@ private data class StoredSettings(
     val aiAvatarUri: String? = null,
     val fontSize: Float = 16f,
     val fontColor: String = "",
-    val splitRegex: String = ""
+    val splitRegex: String = "",
+    val useSmartSplit: Boolean = true
 )
 
 class SettingsRepository(
@@ -80,7 +82,8 @@ class SettingsRepository(
             aiAvatarUri = storedSettings.aiAvatarUri,
             fontSize = storedSettings.fontSize,
             fontColor = storedSettings.fontColor,
-            splitRegex = storedSettings.splitRegex
+            splitRegex = storedSettings.splitRegex,
+            useSmartSplit = storedSettings.useSmartSplit
         )
     }
 
@@ -103,7 +106,8 @@ class SettingsRepository(
                     aiAvatarUri = newSettings.aiAvatarUri,
                     fontSize = newSettings.fontSize,
                     fontColor = newSettings.fontColor,
-                    splitRegex = newSettings.splitRegex
+                    splitRegex = newSettings.splitRegex,
+                    useSmartSplit = newSettings.useSmartSplit
                 )
             )
         }
@@ -122,6 +126,7 @@ class SettingsRepository(
             .putFloat("fontSize", newSettings.fontSize)
             .putString("fontColor", newSettings.fontColor)
             .putString("splitRegex", newSettings.splitRegex)
+            .putBoolean("useSmartSplit", newSettings.useSmartSplit)
             .remove("apiKey")
             .apply()
         secretStore.saveApiKey(newSettings.apiKey)
@@ -160,7 +165,8 @@ class SettingsRepository(
             aiAvatarUri = prefs.getString("aiAvatarUri", null),
             fontSize = prefs.getFloat("fontSize", 16f),
             fontColor = prefs.getString("fontColor", "") ?: "",
-            splitRegex = prefs.getString("splitRegex", "") ?: ""
+            splitRegex = prefs.getString("splitRegex", "") ?: "",
+            useSmartSplit = prefs.getBoolean("useSmartSplit", true)
         )
     }
 }
diff --git a/app/src/main/java/com/frischar/fantareal/domain/chat/ChatModels.kt b/app/src/main/java/com/frischar/fantareal/domain/chat/ChatModels.kt
index e0afd91..1dda18d 100644
--- a/app/src/main/java/com/frischar/fantareal/domain/chat/ChatModels.kt
+++ b/app/src/main/java/com/frischar/fantareal/domain/chat/ChatModels.kt
@@ -14,5 +14,6 @@ data class ConversationMessage(
     val content: String,
     val createdAt: Long,
     val thinking: String? = null,
-    val error: Boolean = false
+    val error: Boolean = false,
+    val bubbles: List<String>? = null
 )
diff --git a/app/src/main/java/com/frischar/fantareal/ui/app/AppScaffold.kt b/app/src/main/java/com/frischar/fantareal/ui/app/AppScaffold.kt
index 386b65c..dd4257b 100644
--- a/app/src/main/java/com/frischar/fantareal/ui/app/AppScaffold.kt
+++ b/app/src/main/java/com/frischar/fantareal/ui/app/AppScaffold.kt
@@ -169,6 +169,7 @@ fun AppScaffold() {
                         createdAtText = "",
                         thinkingText = it.thinking,
                         error = it.error,
+                        bubbles = it.bubbles,
                         isStreaming = uiState.isSending && it.id == lastMsgId && it.role == com.frischar.fantareal.domain.chat.MessageRole.Assistant
                     )
                 }
@@ -211,6 +212,7 @@ fun AppScaffold() {
                     onFontSizeChange = settingsViewModel::updateFontSize,
                     onFontColorChange = settingsViewModel::updateFontColor,
                     onSplitRegexChange = settingsViewModel::updateSplitRegex,
+                    onUseSmartSplitChange = settingsViewModel::updateUseSmartSplit,
                     onBackgroundImageUriChange = settingsViewModel::updateBackgroundImageUri,
                     onUserAvatarUriChange = settingsViewModel::updateUserAvatarUri,
                     onAiAvatarUriChange = settingsViewModel::updateAiAvatarUri,
diff --git a/app/src/main/java/com/frischar/fantareal/ui/chat/ChatScreen.kt b/app/src/main/java/com/frischar/fantareal/ui/chat/ChatScreen.kt
index fb5e412..c818c0f 100644
--- a/app/src/main/java/com/frischar/fantareal/ui/chat/ChatScreen.kt
+++ b/app/src/main/java/com/frischar/fantareal/ui/chat/ChatScreen.kt
@@ -77,7 +77,8 @@ data class ChatMessageUiModel(
     val isStreaming: Boolean,
     val spriteTag: String? = null,
     val thinkingText: String? = null,
-    val error: Boolean = false
+    val error: Boolean = false,
+    val bubbles: List<String>? = null
 )
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -168,7 +169,13 @@ fun ChatScreen(personaName: String = "Fantareal",
                     } else {
                         Column {
                             val splitRegex = settings.splitRegex
-                            val contents = if (splitRegex.isNotBlank()) {
+                            val contents = if (settings.useSmartSplit) {
+                                if (msg.bubbles.isNullOrEmpty()) {
+                                    if (msg.isStreaming) listOf("思考剧情中...") else listOf(msg.content)
+                                } else {
+                                    msg.bubbles
+                                }
+                            } else if (splitRegex.isNotBlank()) {
                                 try {
                                     val parts = msg.content.split(Regex(splitRegex)).filter { it.isNotBlank() }
                                     val mergedParts = mutableListOf<String>()
diff --git a/app/src/main/java/com/frischar/fantareal/ui/settings/SettingsScreen.kt b/app/src/main/java/com/frischar/fantareal/ui/settings/SettingsScreen.kt
index 5cba250..2e8fce6 100644
--- a/app/src/main/java/com/frischar/fantareal/ui/settings/SettingsScreen.kt
+++ b/app/src/main/java/com/frischar/fantareal/ui/settings/SettingsScreen.kt
@@ -1,4 +1,4 @@
-package com.frischar.fantareal.ui.settings
+package com.frischar.fantareal.ui.settings
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -51,6 +51,7 @@ fun SettingsScreen(
     onFontSizeChange: (Float) -> Unit,
     onFontColorChange: (String) -> Unit,
     onSplitRegexChange: (String) -> Unit,
+    onUseSmartSplitChange: (Boolean) -> Unit,
     onBackgroundImageUriChange: (String?) -> Unit,
     onUserAvatarUriChange: (String?) -> Unit,
     onAiAvatarUriChange: (String?) -> Unit,
@@ -80,9 +81,11 @@ fun SettingsScreen(
                     fontSize = uiState.fontSize,
                     fontColor = uiState.fontColor,
                     splitRegex = uiState.splitRegex,
+                    useSmartSplit = uiState.useSmartSplit,
                     onFontSizeChange = onFontSizeChange,
                     onFontColorChange = onFontColorChange,
                     onSplitRegexChange = onSplitRegexChange,
+                    onUseSmartSplitChange = onUseSmartSplitChange,
                     onBackgroundImageUriChange = onBackgroundImageUriChange,
                     onUserAvatarUriChange = onUserAvatarUriChange,
                     onAiAvatarUriChange = onAiAvatarUriChange
@@ -120,6 +123,8 @@ fun AppearanceCard(
     onFontSizeChange: (Float) -> Unit,
     onFontColorChange: (String) -> Unit,
     onSplitRegexChange: (String) -> Unit,
+    useSmartSplit: Boolean,
+    onUseSmartSplitChange: (Boolean) -> Unit,
     darkMode: Boolean,
     showAvatar: Boolean,
     backgroundOpacity: Float,
@@ -232,13 +237,19 @@ fun AppearanceCard(
                     }
                 }
             }
-            OutlinedTextField(
-                value = splitRegex,
-                onValueChange = onSplitRegexChange,
-                label = { Text("AI输出分段正则切割 (留空则不切割)") },
-                modifier = Modifier.fillMaxWidth(),
-                singleLine = true
-            )
+            Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween, verticalAlignment = Alignment.CenterVertically) {
+                Text("子代理切分消息")
+                Switch(checked = useSmartSplit, onCheckedChange = onUseSmartSplitChange)
+            }
+            if (!useSmartSplit) {
+                OutlinedTextField(
+                    value = splitRegex,
+                    onValueChange = onSplitRegexChange,
+                    label = { Text("AI输出分段正则切割 (留空则不切割)") },
+                    modifier = Modifier.fillMaxWidth(),
+                    singleLine = true
+                )
+            }
         }
     }
 }
diff --git a/app/src/main/java/com/frischar/fantareal/ui/viewmodel/SettingsViewModel.kt b/app/src/main/java/com/frischar/fantareal/ui/viewmodel/SettingsViewModel.kt
index 97d7b9b..f0b2014 100644
--- a/app/src/main/java/com/frischar/fantareal/ui/viewmodel/SettingsViewModel.kt
+++ b/app/src/main/java/com/frischar/fantareal/ui/viewmodel/SettingsViewModel.kt
@@ -1,4 +1,4 @@
-package com.frischar.fantareal.ui.viewmodel
+package com.frischar.fantareal.ui.viewmodel
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
@@ -27,6 +27,7 @@ data class SettingsUiState(
     val fontSize: Float = 16f,
     val fontColor: String = "",
     val splitRegex: String = "",
+    val useSmartSplit: Boolean = true,
     val saved: Boolean = false
 )
 
@@ -94,6 +95,10 @@ class SettingsViewModel(
     fun updateFontSize(value: Float) { _uiState.update { it.copy(fontSize = value, saved = false) } }
     fun updateFontColor(value: String) { _uiState.update { it.copy(fontColor = value, saved = false) } }
     fun updateSplitRegex(value: String) { _uiState.update { it.copy(splitRegex = value, saved = false) } }
+    fun updateUseSmartSplit(value: Boolean) {
+        _uiState.update { it.copy(useSmartSplit = value, saved = false) }
+        save()
+    }
 
     fun save() {
         val current = _uiState.value
@@ -114,7 +119,8 @@ class SettingsViewModel(
                     aiAvatarUri = current.aiAvatarUri,
                     fontSize = current.fontSize,
                     fontColor = current.fontColor,
-                    splitRegex = current.splitRegex
+                    splitRegex = current.splitRegex,
+                    useSmartSplit = current.useSmartSplit
                 )
             )
             _uiState.update { settingsRepository.settings.value.toUiState(saved = true) }
@@ -138,6 +144,7 @@ class SettingsViewModel(
             fontSize = fontSize,
             fontColor = fontColor,
             splitRegex = splitRegex,
+            useSmartSplit = useSmartSplit,
             saved = saved
         )
     }