diff --git a/packages/plugins/robot/src/Main.vue b/packages/plugins/robot/src/Main.vue
index a4dfbe0466..4eeba186b8 100644
--- a/packages/plugins/robot/src/Main.vue
+++ b/packages/plugins/robot/src/Main.vue
@@ -18,7 +18,7 @@
           v-model:fullscreen="fullscreen"
           v-model:show="robotVisible"
           v-model:input="inputMessage"
-          :status="messageState.status"
+          :status="chatStatus"
           :prompt-items="promptItems"
           :bubble-renderers="bubbleRenderers"
           :allowFiles="isVisualModel && robotSettingState.chatMode === ChatMode.Agent"
@@ -147,9 +147,9 @@ const showTeleport = ref(false)
 const showSetting = ref(false)
 
 const {
+  chatStatus,
   inputMessage,
   messages,
-  messageState,
   changeChatMode,
   abortRequest,
   initChatClient,
diff --git a/packages/plugins/robot/src/components/chat/RobotChat.vue b/packages/plugins/robot/src/components/chat/RobotChat.vue
index e24c375bdd..155e2f3198 100644
--- a/packages/plugins/robot/src/components/chat/RobotChat.vue
+++ b/packages/plugins/robot/src/components/chat/RobotChat.vue
@@ -36,8 +36,7 @@
           :placeholder="GeneratingStatus.includes(props.status) ? '正在思考中...' : '请输入您的问题'"
           :clearable="true"
           :loading="GeneratingStatus.includes(props.status)"
-          :showWordLimit="true"
-          :maxLength="4000"
+          :showWordLimit="false"
           @submit="handleSendMessage"
           @cancel="handleAbortRequest"
           :allowFiles="selectedAttachments.length < 1 && props.allowFiles"
diff --git a/packages/plugins/robot/src/composables/core/useConversation.ts b/packages/plugins/robot/src/composables/core/useConversation.ts
index 7c0da5e7e4..ae2d70869d 100644
--- a/packages/plugins/robot/src/composables/core/useConversation.ts
+++ b/packages/plugins/robot/src/composables/core/useConversation.ts
@@ -11,6 +11,7 @@ export interface ConversationAdapterOptions {
   statusManager: {
     isProcessing: () => boolean
     setProcessing: () => void
+    resetProcessing: () => void
   }
 }
 
@@ -43,7 +44,8 @@ export function useConversationAdapter(options: ConversationAdapterOptions) {
       const contextMessages = toRaw(messages.value.slice(0, -1))
       await onFinishRequest(finishReason ?? 'unknown', messages.value, contextMessages, messageState)
       const lastMessage = messages.value.at(-1)
-      if (lastMessage) {
+      if (lastMessage && finishReason === 'stop' && !lastMessage.tool_calls && statusManager.isProcessing()) {
+        statusManager.resetProcessing()
         await onMessageProcessed(finishReason ?? 'unknown', lastMessage.content ?? '', messages.value, {})
       }
     }
diff --git a/packages/plugins/robot/src/composables/core/useMessageStream.ts b/packages/plugins/robot/src/composables/core/useMessageStream.ts
index bbf2bd3665..3699da0853 100644
--- a/packages/plugins/robot/src/composables/core/useMessageStream.ts
+++ b/packages/plugins/robot/src/composables/core/useMessageStream.ts
@@ -29,6 +29,7 @@ const handleDeltaReasoning = (choice: ChatCompletionStreamResponseChoice, lastMe
       })
     }
     lastMessage.renderContent.at(-1)!.content += choice.delta.reasoning_content
+    lastMessage.reasoning_content = (lastMessage.reasoning_content || '') + choice.delta.reasoning_content
   }
 }
 
diff --git a/packages/plugins/robot/src/composables/features/useToolCalls.ts b/packages/plugins/robot/src/composables/features/useToolCalls.ts
index 7f0ff9d9cd..191ec4a0a2 100644
--- a/packages/plugins/robot/src/composables/features/useToolCalls.ts
+++ b/packages/plugins/robot/src/composables/features/useToolCalls.ts
@@ -74,6 +74,11 @@ export interface ToolCallHandlerConfig {
     onDone: (finishReason: string, messages: any[], contextMessages: any[], messageState: any) => Promise<void>
   }
   getMessageState: () => any
+  statusManager?: {
+    isProcessing: () => boolean
+    setProcessing: () => void
+    resetProcessing: () => void
+  }
 }
 
 /**
@@ -81,7 +86,7 @@ export interface ToolCallHandlerConfig {
  * 使用工厂函数模式，将所有依赖通过配置注入
  */
 export function createToolCallHandler(config: ToolCallHandlerConfig) {
-  const { client, getAbortController, formatMessages, hooks, streamHandlers, getMessageState } = config
+  const { client, getAbortController, formatMessages, hooks, streamHandlers, getMessageState, statusManager } = config
 
   return async (tool_calls: ResponseToolCall[], messages: any[], contextMessages: RobotMessage[]) => {
     const hasToolCall = tool_calls?.length > 0
@@ -118,6 +123,8 @@ export function createToolCallHandler(config: ToolCallHandlerConfig) {
 
     delete currentMessage.tool_calls
 
+    statusManager?.setProcessing()
+
     // 使用工具调用结果继续对话
     await client.chatStream(
       { messages: toolMessages as any, options: { signal: abortController.signal } },
diff --git a/packages/plugins/robot/src/composables/useChat.ts b/packages/plugins/robot/src/composables/useChat.ts
index 1772d968d1..9ba4c505a1 100644
--- a/packages/plugins/robot/src/composables/useChat.ts
+++ b/packages/plugins/robot/src/composables/useChat.ts
@@ -1,4 +1,4 @@
-import { nextTick } from 'vue'
+import { nextTick, ref } from 'vue'
 import { GeneratingStatus, STATUS, type ChatMessage, type MessageState } from '@opentiny/tiny-robot-kit'
 import { formatMessages, removeLoading } from '../utils'
 import { getClientConfig as getConfig, updateClientConfig as updateConfig, client } from '../services/aiClient'
@@ -39,7 +39,7 @@ enum CHAT_STATUS {
   FINISHED = 'finished' // 本轮对话结束
 }
 
-let chatStatus: CHAT_STATUS = CHAT_STATUS.PROCESSING
+const chatStatus = ref<CHAT_STATUS>(CHAT_STATUS.FINISHED)
 
 const abortControllerMap: Record<string, AbortController> = {}
 
@@ -52,9 +52,9 @@ const handleStreamData = createStreamDataHandler({
     onStreamTools
   },
   statusManager: {
-    isStreaming: () => chatStatus === CHAT_STATUS.STREAMING,
+    isStreaming: () => chatStatus.value === CHAT_STATUS.STREAMING,
     setStreaming: () => {
-      chatStatus = CHAT_STATUS.STREAMING
+      chatStatus.value = CHAT_STATUS.STREAMING
     }
   }
 })
@@ -110,11 +110,15 @@ const handleFinishRequest = async (
 
   if (finishReason === 'aborted' || messageState?.status === STATUS.ABORTED) {
     messageState.status = STATUS.ABORTED
+  } else if (finishReason === 'stop' && !lastMessage.tool_calls) {
+    messageState.status = STATUS.FINISHED
+    chatStatus.value = CHAT_STATUS.FINISHED
+    await onMessageProcessed(finishReason, lastMessage.content ?? '', messages.value, {})
   }
 }
 
 const handleRequestError = async (error: Error, messages: ChatMessage[], messageState: MessageState) => {
-  chatStatus = CHAT_STATUS.FINISHED
+  chatStatus.value = CHAT_STATUS.FINISHED
   delete abortControllerMap.main
   await onRequestEnd('error', messages.at(-1).content, messages, { error }) // 本次请求结束
   messageState.status = STATUS.ERROR
@@ -140,12 +144,15 @@ const {
     if (GeneratingStatus.includes(messageManager.messageState.status)) {
       messageManager.messageState.status = STATUS.FINISHED
     }
-    chatStatus = CHAT_STATUS.FINISHED
+    chatStatus.value = CHAT_STATUS.FINISHED
   },
   statusManager: {
-    isProcessing: () => chatStatus === CHAT_STATUS.PROCESSING,
+    isProcessing: () => chatStatus.value === CHAT_STATUS.PROCESSING,
     setProcessing: () => {
-      chatStatus = CHAT_STATUS.PROCESSING
+      chatStatus.value = CHAT_STATUS.PROCESSING
+    },
+    resetProcessing: () => {
+      chatStatus.value = CHAT_STATUS.FINISHED
     }
   }
 })
@@ -168,7 +175,16 @@ const handleToolCall = createToolCallHandler({
     onError: handleRequestError,
     onDone: handleFinishRequest
   },
-  getMessageState: () => messageManager.messageState
+  getMessageState: () => messageManager.messageState,
+  statusManager: {
+    isProcessing: () => chatStatus.value === CHAT_STATUS.PROCESSING,
+    setProcessing: () => {
+      chatStatus.value = CHAT_STATUS.PROCESSING
+    },
+    resetProcessing: () => {
+      chatStatus.value = CHAT_STATUS.FINISHED
+    }
+  }
 })
 
 // 包装 conversation 方法，添加业务特定逻辑
@@ -235,6 +251,7 @@ const abortRequest = () => {
   for (const key of Object.keys(abortControllerMap)) {
     delete abortControllerMap[key]
   }
+  chatStatus.value = CHAT_STATUS.FINISHED
 
   onRequestEnd('aborted', messageManager.messages.value.at(-1)?.content as string, messageManager.messages.value)
 }
@@ -254,6 +271,7 @@ const changeChatMode = (chatMode: string) => {
 
 export default function () {
   return {
+    chatStatus,
     initChatClient,
     updateConfig,
     ...messageManager,
diff --git a/packages/plugins/robot/src/utils/chat.utils.ts b/packages/plugins/robot/src/utils/chat.utils.ts
index ddc0bb865b..557641dd79 100644
--- a/packages/plugins/robot/src/utils/chat.utils.ts
+++ b/packages/plugins/robot/src/utils/chat.utils.ts
@@ -11,7 +11,8 @@ export const formatMessages = (messages: LLMMessage[]) => {
       role: message.role,
       content: message.content,
       ...(message.tool_calls ? { tool_calls: message.tool_calls } : {}),
-      ...(message.tool_call_id ? { tool_call_id: message.tool_call_id } : {})
+      ...(message.tool_call_id ? { tool_call_id: message.tool_call_id } : {}),
+      ...(message.reasoning_content ? { reasoning_content: message.reasoning_content } : {})
     }))
 }