diff --git a/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts b/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts
index 1a19724c9f..eeaa1c7bad 100644
--- a/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts
+++ b/src/renderer/src/aiCore/clients/openai/OpenAIApiClient.ts
@@ -6,6 +6,8 @@ import {
   getOpenAIWebSearchParams,
   isDoubaoThinkingAutoModel,
   isGrokReasoningModel,
+  isNotSupportSystemMessageModel,
+  isQwenMTModel,
   isQwenReasoningModel,
   isReasoningModel,
   isSupportedReasoningEffortGrokModel,
@@ -32,6 +34,7 @@ import {
   Model,
   Provider,
   ToolCallResponse,
+  TranslateAssistant,
   WebSearchSource
 } from '@renderer/types'
 import { ChunkType, TextStartChunk, ThinkingStartChunk } from '@renderer/types/chunk'
@@ -44,6 +47,7 @@ import {
   OpenAISdkRawOutput,
   ReasoningEffortOptionalParams
 } from '@renderer/types/sdk'
+import { mapLanguageToQwenMTModel } from '@renderer/utils'
 import { addImageFileToContents } from '@renderer/utils/formats'
 import {
   isEnabledToolUse,
@@ -472,6 +476,16 @@ export class OpenAIAPIClient extends OpenAIBaseClient<
           streamOutput = true
         }
 
+        const extra_body: Record<string, any> = {}
+
+        if (isQwenMTModel(model)) {
+          const targetLanguage = (assistant as TranslateAssistant).targetLanguage
+          extra_body.translation_options = {
+            source_lang: 'auto',
+            target_lang: mapLanguageToQwenMTModel(targetLanguage!)
+          }
+        }
+
         // 1. 处理系统消息
         let systemMessage = { role: 'system', content: assistant.prompt || '' }
 
@@ -515,7 +529,7 @@ export class OpenAIAPIClient extends OpenAIBaseClient<
 
         // 4. 最终请求消息
         let reqMessages: OpenAISdkMessageParam[]
-        if (!systemMessage.content) {
+        if (!systemMessage.content || isNotSupportSystemMessageModel(model)) {
           reqMessages = [...userMessages]
         } else {
           reqMessages = [systemMessage, ...userMessages].filter(Boolean) as OpenAISdkMessageParam[]
@@ -541,7 +555,8 @@ export class OpenAIAPIClient extends OpenAIBaseClient<
           // 只在对话场景下应用自定义参数，避免影响翻译、总结等其他业务逻辑
           ...(coreRequest.callType === 'chat' ? this.getCustomParameters(assistant) : {}),
           // OpenRouter usage tracking
-          ...(this.provider.id === 'openrouter' ? { usage: { include: true } } : {})
+          ...(this.provider.id === 'openrouter' ? { usage: { include: true } } : {}),
+          ...(isQwenMTModel(model) ? extra_body : {})
         }
 
         // Create the appropriate parameters object based on whether streaming is enabled
diff --git a/src/renderer/src/aiCore/middleware/core/TextChunkMiddleware.ts b/src/renderer/src/aiCore/middleware/core/TextChunkMiddleware.ts
index 82e8a7cdaa..41157bf504 100644
--- a/src/renderer/src/aiCore/middleware/core/TextChunkMiddleware.ts
+++ b/src/renderer/src/aiCore/middleware/core/TextChunkMiddleware.ts
@@ -45,8 +45,11 @@ export const TextChunkMiddleware: CompletionsMiddleware =
             transform(chunk: GenericChunk, controller) {
               logger.silly('chunk', chunk)
               if (chunk.type === ChunkType.TEXT_DELTA) {
-                accumulatedTextContent += chunk.text
-
+                if (model.supported_text_delta === false) {
+                  accumulatedTextContent = chunk.text
+                } else {
+                  accumulatedTextContent += chunk.text
+                }
                 // 处理 onResponse 回调 - 发送增量文本更新
                 if (params.onResponse) {
                   params.onResponse(accumulatedTextContent, false)
diff --git a/src/renderer/src/components/ModelList/AddModelPopup.tsx b/src/renderer/src/components/ModelList/AddModelPopup.tsx
index d11db2f4cd..0d8932aba3 100644
--- a/src/renderer/src/components/ModelList/AddModelPopup.tsx
+++ b/src/renderer/src/components/ModelList/AddModelPopup.tsx
@@ -1,4 +1,5 @@
 import { TopView } from '@renderer/components/TopView'
+import { isNotSupportedTextDelta } from '@renderer/config/models'
 import { useProvider } from '@renderer/hooks/useProvider'
 import { Model, Provider } from '@renderer/types'
 import { getDefaultGroupName } from '@renderer/utils'
@@ -56,7 +57,7 @@ const PopupContainer: React.FC<Props> = ({ title, provider, resolve }) => {
       group: values.group ?? getDefaultGroupName(id)
     }
 
-    addModel(model)
+    addModel({ ...model, supported_text_delta: !isNotSupportedTextDelta(model) })
 
     return true
   }
diff --git a/src/renderer/src/components/ModelList/EditModelsPopup.tsx b/src/renderer/src/components/ModelList/EditModelsPopup.tsx
index 00a6ad479f..01c3ea3a70 100644
--- a/src/renderer/src/components/ModelList/EditModelsPopup.tsx
+++ b/src/renderer/src/components/ModelList/EditModelsPopup.tsx
@@ -13,6 +13,7 @@ import {
   groupQwenModels,
   isEmbeddingModel,
   isFunctionCallingModel,
+  isNotSupportedTextDelta,
   isReasoningModel,
   isRerankModel,
   isVisionModel,
@@ -144,13 +145,14 @@ const PopupContainer: React.FC<Props> = ({ provider: _provider, resolve }) => {
           if (model.supported_endpoint_types && model.supported_endpoint_types.length > 0) {
             addModel({
               ...model,
-              endpoint_type: model.supported_endpoint_types[0]
+              endpoint_type: model.supported_endpoint_types[0],
+              supported_text_delta: !isNotSupportedTextDelta(model)
             })
           } else {
             NewApiAddModelPopup.show({ title: t('settings.models.add.add_model'), provider, model })
           }
         } else {
-          addModel(model)
+          addModel({ ...model, supported_text_delta: !isNotSupportedTextDelta(model) })
         }
       }
     },
diff --git a/src/renderer/src/components/ModelList/ModelEditContent.tsx b/src/renderer/src/components/ModelList/ModelEditContent.tsx
index eb1d198fab..f4d8811309 100644
--- a/src/renderer/src/components/ModelList/ModelEditContent.tsx
+++ b/src/renderer/src/components/ModelList/ModelEditContent.tsx
@@ -11,7 +11,7 @@ import {
 import { useDynamicLabelWidth } from '@renderer/hooks/useDynamicLabelWidth'
 import { Model, ModelCapability, ModelType, Provider } from '@renderer/types'
 import { getDefaultGroupName, getDifference, getUnion } from '@renderer/utils'
-import { Button, Checkbox, Divider, Flex, Form, Input, InputNumber, message, Modal, Select } from 'antd'
+import { Button, Checkbox, Divider, Flex, Form, Input, InputNumber, message, Modal, Select, Switch } from 'antd'
 import { ChevronDown, ChevronUp } from 'lucide-react'
 import { FC, useState } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -33,6 +33,7 @@ const ModelEditContent: FC<ModelEditContentProps> = ({ provider, model, onUpdate
   const [currencySymbol, setCurrencySymbol] = useState(model.pricing?.currencySymbol || '$')
   const [isCustomCurrency, setIsCustomCurrency] = useState(!symbols.includes(model.pricing?.currencySymbol || '$'))
   const [modelCapabilities, setModelCapabilities] = useState(model.capabilities || [])
+  const [supportedTextDelta, setSupportedTextDelta] = useState(model.supported_text_delta)
 
   const labelWidth = useDynamicLabelWidth([t('settings.models.add.endpoint_type.label')])
 
@@ -45,6 +46,7 @@ const ModelEditContent: FC<ModelEditContentProps> = ({ provider, model, onUpdate
       group: values.group || model.group,
       endpoint_type: provider.id === 'new-api' ? values.endpointType : model.endpoint_type,
       capabilities: modelCapabilities,
+      supported_text_delta: supportedTextDelta,
       pricing: {
         input_per_million_tokens: Number(values.input_per_million_tokens) || 0,
         output_per_million_tokens: Number(values.output_per_million_tokens) || 0,
@@ -338,6 +340,12 @@ const ModelEditContent: FC<ModelEditContentProps> = ({ provider, model, onUpdate
                 </div>
               )
             })()}
+            <Form.Item
+              name="supported_text_delta"
+              label={t('settings.models.add.supported_text_delta.label')}
+              tooltip={t('settings.models.add.supported_text_delta.tooltip')}>
+              <Switch checked={supportedTextDelta} onChange={(checked) => setSupportedTextDelta(checked)} />
+            </Form.Item>
             <TypeTitle>{t('models.price.price')}</TypeTitle>
             <Form.Item name="currencySymbol" label={t('models.price.currency')} style={{ marginBottom: 10 }}>
               <Select
diff --git a/src/renderer/src/components/ModelList/NewApiAddModelPopup.tsx b/src/renderer/src/components/ModelList/NewApiAddModelPopup.tsx
index 72f67699f1..c5fd2180b4 100644
--- a/src/renderer/src/components/ModelList/NewApiAddModelPopup.tsx
+++ b/src/renderer/src/components/ModelList/NewApiAddModelPopup.tsx
@@ -1,5 +1,6 @@
 import { TopView } from '@renderer/components/TopView'
 import { endpointTypeOptions } from '@renderer/config/endpointTypes'
+import { isNotSupportedTextDelta } from '@renderer/config/models'
 import { useDynamicLabelWidth } from '@renderer/hooks/useDynamicLabelWidth'
 import { useProvider } from '@renderer/hooks/useProvider'
 import { EndpointType, Model, Provider } from '@renderer/types'
@@ -62,7 +63,7 @@ const PopupContainer: React.FC<Props> = ({ title, provider, resolve, model, endp
       endpoint_type: provider.id === 'new-api' ? values.endpointType : undefined
     }
 
-    addModel(model)
+    addModel({ ...model, supported_text_delta: !isNotSupportedTextDelta(model) })
 
     return true
   }
diff --git a/src/renderer/src/components/ModelList/NewApiBatchAddModelPopup.tsx b/src/renderer/src/components/ModelList/NewApiBatchAddModelPopup.tsx
index 747b503112..40a4fb529c 100644
--- a/src/renderer/src/components/ModelList/NewApiBatchAddModelPopup.tsx
+++ b/src/renderer/src/components/ModelList/NewApiBatchAddModelPopup.tsx
@@ -1,5 +1,6 @@
 import { TopView } from '@renderer/components/TopView'
 import { endpointTypeOptions } from '@renderer/config/endpointTypes'
+import { isNotSupportedTextDelta } from '@renderer/config/models'
 import { useDynamicLabelWidth } from '@renderer/hooks/useDynamicLabelWidth'
 import { useProvider } from '@renderer/hooks/useProvider'
 import { EndpointType, Model, Provider } from '@renderer/types'
@@ -45,7 +46,8 @@ const PopupContainer: React.FC<Props> = ({ title, provider, resolve, batchModels
     batchModels.forEach((model) => {
       addModel({
         ...model,
-        endpoint_type: values.endpointType
+        endpoint_type: values.endpointType,
+        supported_text_delta: !isNotSupportedTextDelta(model)
       })
     })
     return true
diff --git a/src/renderer/src/config/models.ts b/src/renderer/src/config/models.ts
index 2dc074b860..02b89cb938 100644
--- a/src/renderer/src/config/models.ts
+++ b/src/renderer/src/config/models.ts
@@ -254,7 +254,8 @@ const FUNCTION_CALLING_EXCLUDED_MODELS = [
   'o1-mini',
   'o1-preview',
   'AIDC-AI/Marco-o1',
-  'gemini-1(?:\\.[\\w-]+)?'
+  'gemini-1(?:\\.[\\w-]+)?',
+  'qwen-mt(?:-[\\w-]+)?'
 ]
 
 export const FUNCTION_CALLING_REGEX = new RegExp(
@@ -3026,3 +3027,24 @@ export const isAnthropicModel = (model?: Model): boolean => {
 
   return getLowerBaseModelName(model.id).startsWith('claude')
 }
+
+export const isQwenMTModel = (model: Model): boolean => {
+  const name = getLowerBaseModelName(model.id)
+  return name.includes('qwen-mt')
+}
+
+export const isNotSupportedTextDelta = (model: Model): boolean => {
+  if (isQwenMTModel(model)) {
+    return true
+  }
+
+  return false
+}
+
+export const isNotSupportSystemMessageModel = (model: Model): boolean => {
+  if (isQwenMTModel(model) || isGemmaModel(model)) {
+    return true
+  }
+
+  return false
+}
diff --git a/src/renderer/src/i18n/locales/en-us.json b/src/renderer/src/i18n/locales/en-us.json
index 6b8f5a44f3..a584a1ed78 100644
--- a/src/renderer/src/i18n/locales/en-us.json
+++ b/src/renderer/src/i18n/locales/en-us.json
@@ -2876,6 +2876,10 @@
           "label": "Model Name",
           "placeholder": "Optional e.g. GPT-4",
           "tooltip": "Optional e.g. GPT-4"
+        },
+        "supported_text_delta": {
+          "label": "Incremental text output",
+          "tooltip": "When the model is not supported, close the button"
         }
       },
       "api_key": "API Key",
diff --git a/src/renderer/src/i18n/locales/ja-jp.json b/src/renderer/src/i18n/locales/ja-jp.json
index 3d4ca9c74e..667aff7db0 100644
--- a/src/renderer/src/i18n/locales/ja-jp.json
+++ b/src/renderer/src/i18n/locales/ja-jp.json
@@ -2876,6 +2876,10 @@
           "label": "モデル名",
           "placeholder": "例：GPT-4",
           "tooltip": "例：GPT-4"
+        },
+        "supported_text_delta": {
+          "label": "インクリメンタルテキスト出力",
+          "tooltip": "モデルがサポートされていない場合は、ボタンを閉じます"
         }
       },
       "api_key": "API キー",
diff --git a/src/renderer/src/i18n/locales/ru-ru.json b/src/renderer/src/i18n/locales/ru-ru.json
index b4c82c0752..dbf8f8a6ff 100644
--- a/src/renderer/src/i18n/locales/ru-ru.json
+++ b/src/renderer/src/i18n/locales/ru-ru.json
@@ -2876,6 +2876,10 @@
           "label": "Имя модели",
           "placeholder": "Необязательно, например, GPT-4",
           "tooltip": "Необязательно, например, GPT-4"
+        },
+        "supported_text_delta": {
+          "label": "Инкрементный текст вывод",
+          "tooltip": "Когда модель не поддерживается, закройте кнопку"
         }
       },
       "api_key": "API ключ",
diff --git a/src/renderer/src/i18n/locales/zh-cn.json b/src/renderer/src/i18n/locales/zh-cn.json
index c79a7d054a..d088417cb4 100644
--- a/src/renderer/src/i18n/locales/zh-cn.json
+++ b/src/renderer/src/i18n/locales/zh-cn.json
@@ -2876,6 +2876,10 @@
           "label": "模型名称",
           "placeholder": "例如 GPT-4",
           "tooltip": "例如 GPT-4"
+        },
+        "supported_text_delta": {
+          "label": "增量文本输出",
+          "tooltip": "当模型不支持的时候，将该按钮关闭"
         }
       },
       "api_key": "API 密钥",
diff --git a/src/renderer/src/i18n/locales/zh-tw.json b/src/renderer/src/i18n/locales/zh-tw.json
index ab624bd39f..24f07e2387 100644
--- a/src/renderer/src/i18n/locales/zh-tw.json
+++ b/src/renderer/src/i18n/locales/zh-tw.json
@@ -2876,6 +2876,10 @@
           "label": "模型名稱",
           "placeholder": "選填，例如 GPT-4",
           "tooltip": "例如 GPT-4"
+        },
+        "supported_text_delta": {
+          "label": "增量文本輸出",
+          "tooltip": "當模型不支持的時候，將該按鈕關閉"
         }
       },
       "api_key": "API 密鑰",
diff --git a/src/renderer/src/services/ApiService.ts b/src/renderer/src/services/ApiService.ts
index e5394644c1..14547690c5 100644
--- a/src/renderer/src/services/ApiService.ts
+++ b/src/renderer/src/services/ApiService.ts
@@ -30,6 +30,7 @@ import {
   MemoryItem,
   Model,
   Provider,
+  TranslateAssistant,
   WebSearchResponse,
   WebSearchSource
 } from '@renderer/types'
@@ -591,7 +592,7 @@ async function processConversationMemory(messages: Message[], assistant: Assista
 
 interface FetchTranslateProps {
   content: string
-  assistant: Assistant
+  assistant: TranslateAssistant
   onResponse?: (text: string, isComplete: boolean) => void
 }
 
diff --git a/src/renderer/src/services/AssistantService.ts b/src/renderer/src/services/AssistantService.ts
index 283b3afcba..7aca2a9000 100644
--- a/src/renderer/src/services/AssistantService.ts
+++ b/src/renderer/src/services/AssistantService.ts
@@ -8,7 +8,16 @@ import {
 import i18n from '@renderer/i18n'
 import store from '@renderer/store'
 import { addAssistant } from '@renderer/store/assistants'
-import type { Agent, Assistant, AssistantSettings, Language, Model, Provider, Topic } from '@renderer/types'
+import type {
+  Agent,
+  Assistant,
+  AssistantSettings,
+  Language,
+  Model,
+  Provider,
+  Topic,
+  TranslateAssistant
+} from '@renderer/types'
 import { uuid } from '@renderer/utils'
 
 export function getDefaultAssistant(): Assistant {
@@ -34,7 +43,7 @@ export function getDefaultAssistant(): Assistant {
   }
 }
 
-export function getDefaultTranslateAssistant(targetLanguage: Language, text: string): Assistant {
+export function getDefaultTranslateAssistant(targetLanguage: Language, text: string): TranslateAssistant {
   const translateModel = getTranslateModel()
   const assistant: Assistant = getDefaultAssistant()
   assistant.model = translateModel
@@ -47,7 +56,7 @@ export function getDefaultTranslateAssistant(targetLanguage: Language, text: str
     .getState()
     .settings.translateModelPrompt.replaceAll('{{target_language}}', targetLanguage.value)
     .replaceAll('{{text}}', text)
-  return assistant
+  return { ...assistant, targetLanguage }
 }
 
 export function getDefaultAssistantSettings() {
diff --git a/src/renderer/src/services/__tests__/ApiService.test.ts b/src/renderer/src/services/__tests__/ApiService.test.ts
index fd80abd3ad..249dcd01f6 100644
--- a/src/renderer/src/services/__tests__/ApiService.test.ts
+++ b/src/renderer/src/services/__tests__/ApiService.test.ts
@@ -174,7 +174,8 @@ vi.mock('@renderer/store/llm.ts', () => {
           {
             id: 'gemini-2.5-pro',
             name: 'Gemini 2.5 Pro',
-            provider: 'gemini'
+            provider: 'gemini',
+            supported_text_delta: true
           }
         ],
         isSystem: true,
@@ -184,17 +185,20 @@ vi.mock('@renderer/store/llm.ts', () => {
     defaultModel: {
       id: 'gemini-2.5-pro',
       name: 'Gemini 2.5 Pro',
-      provider: 'gemini'
+      provider: 'gemini',
+      supported_text_delta: true
     },
     topicNamingModel: {
       id: 'gemini-2.5-pro',
       name: 'Gemini 2.5 Pro',
-      provider: 'gemini'
+      provider: 'gemini',
+      supported_text_delta: true
     },
     translateModel: {
       id: 'gemini-2.5-pro',
       name: 'Gemini 2.5 Pro',
-      provider: 'gemini'
+      provider: 'gemini',
+      supported_text_delta: true
     },
     quickAssistantId: '',
     settings: {
@@ -1690,7 +1694,8 @@ describe('ApiService', () => {
         prompt: 'test',
         model: {
           id: 'gemini-2.5-pro',
-          name: 'Gemini 2.5 Pro'
+          name: 'Gemini 2.5 Pro',
+          supported_text_delta: true
         }
       } as Assistant,
       onChunk: mockOnChunk,
@@ -1810,7 +1815,8 @@ describe('ApiService', () => {
         type: 'anthropic',
         model: {
           id: 'claude-3-7-sonnet-20250219',
-          name: 'Claude 3.7 Sonnet'
+          name: 'Claude 3.7 Sonnet',
+          supported_text_delta: true
         }
       } as Assistant,
       onChunk: mockOnChunk,
@@ -1886,7 +1892,8 @@ describe('ApiService', () => {
         type: 'anthropic',
         model: {
           id: 'claude-3-7-sonnet-20250219',
-          name: 'Claude 3.7 Sonnet'
+          name: 'Claude 3.7 Sonnet',
+          supported_text_delta: true
         }
       } as Assistant,
       onChunk: mockOnChunk,
@@ -1957,7 +1964,8 @@ describe('ApiService', () => {
         prompt: 'test',
         model: {
           id: 'gemini-2.5-pro',
-          name: 'Gemini 2.5 Pro'
+          name: 'Gemini 2.5 Pro',
+          supported_text_delta: true
         }
       } as Assistant,
       onChunk: mockOnChunk,
@@ -2125,7 +2133,8 @@ describe('ApiService', () => {
         prompt: 'test',
         model: {
           id: 'gpt-4o',
-          name: 'GPT-4o'
+          name: 'GPT-4o',
+          supported_text_delta: true
         }
       } as Assistant,
       onChunk: mockOnChunk,
@@ -2215,7 +2224,8 @@ describe('ApiService', () => {
         prompt: 'test',
         model: {
           id: 'gpt-4o',
-          name: 'GPT-4o'
+          name: 'GPT-4o',
+          supported_text_delta: true
         }
       } as Assistant,
       onChunk: mockOnChunk,
diff --git a/src/renderer/src/store/migrate.ts b/src/renderer/src/store/migrate.ts
index 4853bbd0d0..b8ad2a1249 100644
--- a/src/renderer/src/store/migrate.ts
+++ b/src/renderer/src/store/migrate.ts
@@ -2,11 +2,11 @@ import { loggerService } from '@logger'
 import { nanoid } from '@reduxjs/toolkit'
 import { DEFAULT_CONTEXTCOUNT, DEFAULT_TEMPERATURE, isMac } from '@renderer/config/constant'
 import { DEFAULT_MIN_APPS } from '@renderer/config/minapps'
-import { isFunctionCallingModel, SYSTEM_MODELS } from '@renderer/config/models'
+import { isFunctionCallingModel, isNotSupportedTextDelta, SYSTEM_MODELS } from '@renderer/config/models'
 import { TRANSLATE_PROMPT } from '@renderer/config/prompts'
 import db from '@renderer/databases'
 import i18n from '@renderer/i18n'
-import { Assistant, LanguageCode, Provider, WebSearchProvider } from '@renderer/types'
+import { Assistant, LanguageCode, Model, Provider, WebSearchProvider } from '@renderer/types'
 import { getDefaultGroupName, getLeadingEmoji, runAsyncFunction, uuid } from '@renderer/utils'
 import { UpgradeChannel } from '@shared/config/constant'
 import { isEmpty } from 'lodash'
@@ -1878,6 +1878,35 @@ const migrateConfig = {
           assistant.settings.toolUseMode = 'prompt'
         }
       })
+
+      const updateModelTextDelta = (model?: Model) => {
+        if (model) {
+          model.supported_text_delta = true
+          if (isNotSupportedTextDelta(model)) {
+            model.supported_text_delta = false
+          }
+        }
+      }
+
+      state.llm.providers.forEach((provider) => {
+        provider.models.forEach((model) => {
+          updateModelTextDelta(model)
+        })
+      })
+      state.assistants.assistants.forEach((assistant) => {
+        updateModelTextDelta(assistant.defaultModel)
+        updateModelTextDelta(assistant.model)
+      })
+
+      updateModelTextDelta(state.llm.defaultModel)
+      updateModelTextDelta(state.llm.topicNamingModel)
+      updateModelTextDelta(state.llm.translateModel)
+
+      if (state.assistants.defaultAssistant.model) {
+        updateModelTextDelta(state.assistants.defaultAssistant.model)
+        updateModelTextDelta(state.assistants.defaultAssistant.defaultModel)
+      }
+
       return state
     } catch (error) {
       logger.error('migrate 124 error', error as Error)
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index a9a5beb063..c3bd8eb3ba 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -34,6 +34,10 @@ export type Assistant = {
   enableMemory?: boolean
 }
 
+export type TranslateAssistant = Assistant & {
+  targetLanguage?: Language
+}
+
 export type AssistantsSortType = 'tags' | 'list'
 
 export type AssistantMessage = {
@@ -216,6 +220,7 @@ export type Model = {
   pricing?: ModelPricing
   endpoint_type?: EndpointType
   supported_endpoint_types?: EndpointType[]
+  supported_text_delta?: boolean
 }
 
 export type Suggestion = {
diff --git a/src/renderer/src/utils/index.ts b/src/renderer/src/utils/index.ts
index 9be1edb7c6..7d2f0bfb0e 100644
--- a/src/renderer/src/utils/index.ts
+++ b/src/renderer/src/utils/index.ts
@@ -1,5 +1,5 @@
 import { loggerService } from '@logger'
-import { Model, ModelType, Provider } from '@renderer/types'
+import { Language, Model, ModelType, Provider } from '@renderer/types'
 import { ModalFuncProps } from 'antd'
 import { v4 as uuidv4 } from 'uuid'
 
@@ -238,6 +238,16 @@ export function isUserSelectedModelType(model: Model, type: ModelType): boolean
   return t ? t.isUserSelected : undefined
 }
 
+export function mapLanguageToQwenMTModel(language: Language): string {
+  if (language.langCode === 'zh-cn') {
+    return 'Chinese'
+  }
+  if (language.langCode === 'zh-tw') {
+    return 'Traditional Chinese'
+  }
+  return language.value
+}
+
 export * from './api'
 export * from './collection'
 export * from './file'
diff --git a/src/renderer/src/windows/selection/action/components/ActionTranslate.tsx b/src/renderer/src/windows/selection/action/components/ActionTranslate.tsx
index 4530ab2155..2b6ef915fc 100644
--- a/src/renderer/src/windows/selection/action/components/ActionTranslate.tsx
+++ b/src/renderer/src/windows/selection/action/components/ActionTranslate.tsx
@@ -5,12 +5,7 @@ import db from '@renderer/databases'
 import { useTopicMessages } from '@renderer/hooks/useMessageOperations'
 import { useSettings } from '@renderer/hooks/useSettings'
 import MessageContent from '@renderer/pages/home/Messages/MessageContent'
-import {
-  getDefaultAssistant,
-  getDefaultModel,
-  getDefaultTopic,
-  getTranslateModel
-} from '@renderer/services/AssistantService'
+import { getDefaultTopic, getDefaultTranslateAssistant } from '@renderer/services/AssistantService'
 import { Assistant, Language, Topic } from '@renderer/types'
 import type { ActionItem } from '@renderer/types/selectionTypes'
 import { runAsyncFunction } from '@renderer/utils'
@@ -83,13 +78,7 @@ const ActionTranslate: FC<Props> = ({ action, scrollToBottom }) => {
     initialized.current = true
 
     // Initialize assistant
-    const currentAssistant = getDefaultAssistant()
-    const translateModel = getTranslateModel() || getDefaultModel()
-
-    currentAssistant.model = translateModel
-    currentAssistant.settings = {
-      temperature: 0.7
-    }
+    const currentAssistant = getDefaultTranslateAssistant(targetLanguage, action.selectedText)
 
     assistantRef.current = currentAssistant
 
@@ -127,13 +116,9 @@ const ActionTranslate: FC<Props> = ({ action, scrollToBottom }) => {
       translateLang = targetLanguage
     }
 
-    // Initialize prompt content
-    const userContent = translateModelPrompt
-      .replaceAll('{{target_language}}', translateLang.value)
-      .replaceAll('{{text}}', action.selectedText)
-
-    processMessages(assistantRef.current, topicRef.current, userContent, setAskId, onStream, onFinish, onError)
-  }, [action, targetLanguage, alterLanguage, translateModelPrompt, scrollToBottom])
+    assistantRef.current = getDefaultTranslateAssistant(translateLang, action.selectedText)
+    processMessages(assistantRef.current, topicRef.current, action.selectedText, setAskId, onStream, onFinish, onError)
+  }, [action, targetLanguage, alterLanguage, scrollToBottom])
 
   useEffect(() => {
     fetchResult()