diff --git a/src/renderer/src/pages/home/Inputbar/Inputbar.tsx b/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
index 07f2976a3e..5c1acab130 100644
--- a/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
+++ b/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
@@ -521,8 +521,6 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
     async (event: ClipboardEvent) => {
       return await PasteService.handlePaste(
         event,
-        isVisionModel(model),
-        isGenerateImageModel(model),
         supportedExts,
         setFiles,
         setText,
@@ -533,7 +531,7 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
         t
       )
     },
-    [model, pasteLongTextAsFile, pasteLongTextThreshold, resizeTextArea, supportedExts, t, text]
+    [pasteLongTextAsFile, pasteLongTextThreshold, resizeTextArea, supportedExts, t, text]
   )
 
   const handleDragOver = (e: React.DragEvent<HTMLDivElement>) => {
diff --git a/src/renderer/src/pages/home/Messages/MessageEditor.tsx b/src/renderer/src/pages/home/Messages/MessageEditor.tsx
index a2b6119c39..b70077b54e 100644
--- a/src/renderer/src/pages/home/Messages/MessageEditor.tsx
+++ b/src/renderer/src/pages/home/Messages/MessageEditor.tsx
@@ -41,14 +41,58 @@ const MessageBlockEditor: FC<Props> = ({ message, topicId, onSave, onResend, onC
   const [isFileDragging, setIsFileDragging] = useState(false)
   const { assistant } = useAssistant(message.assistantId)
   const model = assistant.model || assistant.defaultModel
-  const isVision = useMemo(() => isVisionModel(model), [model])
-  const supportExts = useMemo(() => [...textExts, ...documentExts, ...(isVision ? imageExts : [])], [isVision])
   const { pasteLongTextThreshold, fontSize, sendMessageShortcut, enableSpellCheck } = useSettings()
   const { t } = useTranslation()
   const textareaRef = useRef<TextAreaRef>(null)
   const attachmentButtonRef = useRef<AttachmentButtonRef>(null)
   const isUserMessage = message.role === 'user'
 
+  const topicMessages = useAppSelector((state) => selectMessagesForTopic(state, topicId))
+
+  const couldAddImageFile = useMemo(() => {
+    const relatedAssistantMessages = topicMessages.filter((m) => m.askId === message.id && m.role === 'assistant')
+    if (relatedAssistantMessages.length === 0) {
+      // 无关联消息时fallback到助手模型
+      return isVisionModel(model)
+    }
+    return relatedAssistantMessages.every((m) => {
+      if (m.model) {
+        return isVisionModel(m.model) || isGenerateImageModel(m.model)
+      } else {
+        // 若消息关联不存在的模型，视为其支持视觉
+        return true
+      }
+    })
+  }, [message.id, model, topicMessages])
+
+  const couldAddTextFile = useMemo(() => {
+    const relatedAssistantMessages = topicMessages.filter((m) => m.askId === message.id && m.role === 'assistant')
+    if (relatedAssistantMessages.length === 0) {
+      // 无关联消息时fallback到助手模型
+      return isVisionModel(model) || (!isVisionModel(model) && !isGenerateImageModel(model))
+    }
+    return relatedAssistantMessages.every((m) => {
+      if (m.model) {
+        return isVisionModel(m.model) || (!isVisionModel(m.model) && !isGenerateImageModel(m.model))
+      } else {
+        // 若消息关联不存在的模型，视为其支持文本
+        return true
+      }
+    })
+  }, [message.id, model, topicMessages])
+
+  const extensions = useMemo(() => {
+    if (couldAddImageFile && couldAddTextFile) {
+      return [...imageExts, ...documentExts, ...textExts]
+    } else if (couldAddImageFile) {
+      return [...imageExts]
+    } else if (couldAddTextFile) {
+      return [...documentExts, ...textExts]
+    } else {
+      return []
+    }
+  }, [couldAddImageFile, couldAddTextFile])
+
   const resizeTextArea = useCallback(() => {
     const textArea = textareaRef.current?.resizableTextArea?.textArea
     if (textArea) {
@@ -70,9 +114,7 @@ const MessageBlockEditor: FC<Props> = ({ message, topicId, onSave, onResend, onC
     async (event: ClipboardEvent) => {
       return await PasteService.handlePaste(
         event,
-        isVisionModel(model),
-        isGenerateImageModel(model),
-        supportExts,
+        extensions,
         setFiles,
         undefined, // 不需要setText
         false, // 不需要 pasteLongTextAsFile
@@ -82,7 +124,7 @@ const MessageBlockEditor: FC<Props> = ({ message, topicId, onSave, onResend, onC
         t
       )
     },
-    [model, pasteLongTextThreshold, resizeTextArea, supportExts, t]
+    [extensions, pasteLongTextThreshold, resizeTextArea, t]
   )
 
   // 添加全局粘贴事件处理
@@ -125,7 +167,7 @@ const MessageBlockEditor: FC<Props> = ({ message, topicId, onSave, onResend, onC
     if (files) {
       let supportedFiles = 0
       files.forEach((file) => {
-        if (supportExts.includes(getFileExtension(file.path))) {
+        if (extensions.includes(getFileExtension(file.path))) {
           setFiles((prevFiles) => [...prevFiles, file])
           supportedFiles++
         }
@@ -209,52 +251,6 @@ const MessageBlockEditor: FC<Props> = ({ message, topicId, onSave, onResend, onC
     }
   }
 
-  const topicMessages = useAppSelector((state) => selectMessagesForTopic(state, topicId))
-
-  const couldAddImageFile = useMemo(() => {
-    const relatedAssistantMessages = topicMessages.filter((m) => m.askId === message.id && m.role === 'assistant')
-    if (relatedAssistantMessages.length === 0) {
-      // 无关联消息时fallback到助手模型
-      return isVisionModel(model)
-    }
-    return relatedAssistantMessages.every((m) => {
-      if (m.model) {
-        return isVisionModel(m.model)
-      } else {
-        // 若消息关联不存在的模型，视为其支持视觉
-        return true
-      }
-    })
-  }, [message.id, model, topicMessages])
-
-  const couldAddTextFile = useMemo(() => {
-    const relatedAssistantMessages = topicMessages.filter((m) => m.askId === message.id && m.role === 'assistant')
-    if (relatedAssistantMessages.length === 0) {
-      // 无关联消息时fallback到助手模型
-      return isVisionModel(model) || (!isVisionModel(model) && !isGenerateImageModel(model))
-    }
-    return relatedAssistantMessages.every((m) => {
-      if (m.model) {
-        return isVisionModel(m.model) || (!isVisionModel(m.model) && !isGenerateImageModel(m.model))
-      } else {
-        // 若消息关联不存在的模型，视为其支持文本
-        return true
-      }
-    })
-  }, [message.id, model, topicMessages])
-
-  const extensions = useMemo(() => {
-    if (couldAddImageFile && couldAddTextFile) {
-      return [...imageExts, ...documentExts, ...textExts]
-    } else if (couldAddImageFile) {
-      return [...imageExts]
-    } else if (couldAddTextFile) {
-      return [...documentExts, ...textExts]
-    } else {
-      return []
-    }
-  }, [couldAddImageFile, couldAddTextFile])
-
   return (
     <>
       <EditorContainer className="message-editor" onDragOver={(e) => e.preventDefault()} onDrop={handleDrop}>
diff --git a/src/renderer/src/services/PasteService.ts b/src/renderer/src/services/PasteService.ts
index 534a9ceaac..4cef946229 100644
--- a/src/renderer/src/services/PasteService.ts
+++ b/src/renderer/src/services/PasteService.ts
@@ -24,8 +24,6 @@ let isInitialized = false
  */
 export const handlePaste = async (
   event: ClipboardEvent,
-  isVisionModel: boolean,
-  isGenerateImageModel: boolean,
   supportExts: string[],
   setFiles: (updater: (prevFiles: FileMetadata[]) => FileMetadata[]) => void,
   setText?: (text: string) => void,
@@ -57,7 +55,6 @@ export const handlePaste = async (
       // 短文本走默认粘贴行为，直接返回
       return false
     }
-
     // 2. 文件/图片粘贴（仅在无文本时处理）
     if (event.clipboardData?.files && event.clipboardData.files.length > 0) {
       event.preventDefault()
@@ -69,7 +66,7 @@ export const handlePaste = async (
           // 如果没有路径，可能是剪贴板中的图像数据
           if (!filePath) {
             // 图像生成也支持图像编辑
-            if (file.type.startsWith('image/') && (isVisionModel || isGenerateImageModel)) {
+            if (file.type.startsWith('image/') && supportExts.includes(getFileExtension(file.name))) {
               const tempFilePath = await window.api.file.createTempFile(file.name)
               const arrayBuffer = await file.arrayBuffer()
               const uint8Array = new Uint8Array(arrayBuffer)