diff --git a/src/app/globals.css b/src/app/globals.css
index 55cf24d..6a04c30 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -684,4 +684,14 @@
 /* 暗黑模式下的加载动画 */
 .dark .animate-spin {
   color: hsl(var(--primary));
+}
+
+@layer utilities {
+  .scrollbar-none {
+    scrollbar-width: none;
+    -ms-overflow-style: none;
+  }
+  .scrollbar-none::-webkit-scrollbar {
+    display: none;
+  }
 } 
\ No newline at end of file
diff --git a/src/components/editor/WechatEditor.tsx b/src/components/editor/WechatEditor.tsx
index b798310..96b5be0 100644
--- a/src/components/editor/WechatEditor.tsx
+++ b/src/components/editor/WechatEditor.tsx
@@ -393,8 +393,10 @@ export default function WechatEditor() {
     setReadingTime(calculateReadingTime(plainText))
   }, [previewContent])
 
+  const isScrolling = useRef<boolean>(false)
+
   return (
-    <div className="h-full flex flex-col relative">
+    <div className="h-screen flex flex-col overflow-hidden">
       <div className="hidden sm:block">
         <EditorToolbar 
           value={value}
@@ -441,7 +443,7 @@ export default function WechatEditor() {
               <div 
                 ref={editorRef}
                 className={cn(
-                  "h-full overflow-y-auto",
+                  "h-full",
                   selectedTemplate && templates.find(t => t.id === selectedTemplate)?.styles
                 )}
               >
@@ -450,9 +452,26 @@ export default function WechatEditor() {
                   value={value}
                   onChange={handleInput}
                   onKeyDown={handleKeyDown}
-                  className="w-full h-full resize-none outline-none p-4 font-mono text-base leading-relaxed"
+                  className="w-full h-full resize-none outline-none p-4 font-mono text-base leading-relaxed overflow-y-scroll scrollbar-none"
                   placeholder="开始写作..."
                   spellCheck={false}
+                  onScroll={(e) => {
+                    if (isScrolling.current) return
+                    isScrolling.current = true
+                    try {
+                      const textarea = e.currentTarget
+                      const previewContainer = document.querySelector('.preview-container .overflow-y-auto')
+                      if (!previewContainer) return
+                      
+                      const scrollPercentage = textarea.scrollTop / (textarea.scrollHeight - textarea.clientHeight)
+                      const previewScrollTop = scrollPercentage * (previewContainer.scrollHeight - previewContainer.clientHeight)
+                      previewContainer.scrollTop = previewScrollTop
+                    } finally {
+                      requestAnimationFrame(() => {
+                        isScrolling.current = false
+                      })
+                    }
+                  }}
                 />
               </div>
             </TabsContent>
@@ -476,7 +495,7 @@ export default function WechatEditor() {
           <div 
             ref={editorRef}
             className={cn(
-              "editor-container bg-background transition-all duration-300 ease-in-out flex flex-col h-[calc(100vh-theme(spacing.16)-theme(spacing.10))] min-h-[600px]",
+              "editor-container bg-background transition-all duration-300 ease-in-out flex flex-col h-full",
               showPreview 
                 ? "w-1/2 border-r" 
                 : "w-full",
@@ -484,15 +503,32 @@ export default function WechatEditor() {
             )}
           >
             <MarkdownToolbar onInsert={handleToolbarInsert} />
-            <div className="flex-1">
+            <div className="flex-1 overflow-hidden">
               <textarea
                 ref={textareaRef}
                 value={value}
                 onChange={handleInput}
                 onKeyDown={handleKeyDown}
-                className="w-full h-full resize-none outline-none p-4 font-mono text-base leading-relaxed"
+                className="w-full h-full resize-none outline-none p-4 font-mono text-base leading-relaxed overflow-y-scroll scrollbar-none"
                 placeholder="开始写作..."
                 spellCheck={false}
+                onScroll={(e) => {
+                  if (isScrolling.current) return
+                  isScrolling.current = true
+                  try {
+                    const textarea = e.currentTarget
+                    const previewContainer = document.querySelector('.preview-container .overflow-y-auto')
+                    if (!previewContainer) return
+                    
+                    const scrollPercentage = textarea.scrollTop / (textarea.scrollHeight - textarea.clientHeight)
+                    const previewScrollTop = scrollPercentage * (previewContainer.scrollHeight - previewContainer.clientHeight)
+                    previewContainer.scrollTop = previewScrollTop
+                  } finally {
+                    requestAnimationFrame(() => {
+                      isScrolling.current = false
+                    })
+                  }
+                }}
               />
             </div>
           </div>
diff --git a/src/components/editor/components/EditorPreview.tsx b/src/components/editor/components/EditorPreview.tsx
index df3160b..c5fd4ff 100644
--- a/src/components/editor/components/EditorPreview.tsx
+++ b/src/components/editor/components/EditorPreview.tsx
@@ -2,7 +2,7 @@ import { cn } from '@/lib/utils'
 import { PREVIEW_SIZES, type PreviewSize } from '../constants'
 import { Loader2, ZoomIn, ZoomOut, Maximize2, Minimize2 } from 'lucide-react'
 import { templates } from '@/config/wechat-templates'
-import { useState } from 'react'
+import { useState, useRef } from 'react'
 
 interface EditorPreviewProps {
   previewRef: React.RefObject<HTMLDivElement>
@@ -23,6 +23,7 @@ export function EditorPreview({
 }: EditorPreviewProps) {
   const [zoom, setZoom] = useState(100)
   const [isFullscreen, setIsFullscreen] = useState(false)
+  const isScrolling = useRef<boolean>(false)
 
   const handleZoomIn = () => {
     setZoom(prev => Math.min(prev + 10, 200))
@@ -47,12 +48,12 @@ export function EditorPreview({
       ref={previewRef}
       className={cn(
         "preview-container bg-background transition-all duration-300 ease-in-out flex flex-col",
-        "h-[50%] sm:h-full sm:w-1/2",
-        "markdown-body",
+        "h-full sm:w-1/2",
+        "markdown-body relative",
         selectedTemplate && templates.find(t => t.id === selectedTemplate)?.styles
       )}
     >
-      <div className="bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60 border-b flex items-center justify-between z-10 sticky top-0">
+      <div className="bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60 border-b flex items-center justify-between z-10 sticky top-0 left-0 right-0">
         <div className="text-sm text-muted-foreground px-2 py-1">预览效果</div>
         <div className="flex items-center gap-4 px-2 py-1">
           <div className="flex items-center gap-2">
@@ -96,8 +97,23 @@ export function EditorPreview({
         </div>
       </div>
 
-      <div className="flex-1 overflow-y-auto">
-        <div className="min-h-full py-8 px-4">
+      <div className="flex-1 overflow-y-auto" onScroll={(e) => {
+        const container = e.currentTarget
+        const textarea = document.querySelector('.editor-container textarea')
+        if (!textarea || isScrolling.current) return
+        isScrolling.current = true
+
+        try {
+          const scrollPercentage = container.scrollTop / (container.scrollHeight - container.clientHeight)
+          const textareaScrollTop = scrollPercentage * (textarea.scrollHeight - textarea.clientHeight)
+          textarea.scrollTop = textareaScrollTop
+        } finally {
+          requestAnimationFrame(() => {
+            isScrolling.current = false
+          })
+        }
+      }}>
+        <div className="h-full py-8 px-4">
           <div 
             className={cn(
               "bg-background mx-auto rounded-lg transition-all duration-300",
diff --git a/src/components/editor/hooks/useEditorSync.ts b/src/components/editor/hooks/useEditorSync.ts
index 82e2b68..34ba944 100644
--- a/src/components/editor/hooks/useEditorSync.ts
+++ b/src/components/editor/hooks/useEditorSync.ts
@@ -1,43 +1,23 @@
-import { useCallback, useEffect, useRef } from 'react'
+import { useCallback, useRef } from 'react'
 
 export function useEditorSync(editorRef: React.RefObject<HTMLDivElement>) {
   // 防止滚动事件循环的标志
   const isScrolling = useRef(false)
 
   // 同步滚动处理
-  const handleScroll = useCallback((event: Event) => {
-    const source = event.target
-    // 检查是否是编辑器滚动
-    const isEditor = source instanceof Element && source.closest('.editor-container')
-    
-    if (!editorRef.current) return
-    
-    const editorElement = editorRef.current.querySelector('.bytemd-editor')
-    if (!editorElement) return
-    
-    // 防止滚动事件循环
-    if (isScrolling.current) return
+  const handleScroll = useCallback((event: React.UIEvent<HTMLTextAreaElement>) => {
+    if (!editorRef.current || isScrolling.current) return
     isScrolling.current = true
-    
+
     try {
-      if (isEditor) {
-        const sourceScrollTop = (source as Element).scrollTop
-        const sourceMaxScroll = (source as Element).scrollHeight - (source as Element).clientHeight
-        const percentage = sourceScrollTop / sourceMaxScroll
-        
-        const windowMaxScroll = document.documentElement.scrollHeight - window.innerHeight
-        window.scrollTo({
-          top: percentage * windowMaxScroll,
-          behavior: 'auto'
-        })
-      } else {
-        const windowScrollTop = window.scrollY
-        const windowMaxScroll = document.documentElement.scrollHeight - window.innerHeight
-        const percentage = windowScrollTop / windowMaxScroll
-        
-        const targetScrollTop = percentage * (editorElement.scrollHeight - editorElement.clientHeight)
-        editorElement.scrollTop = targetScrollTop
-      }
+      const textarea = event.currentTarget
+      const previewContainer = editorRef.current.parentElement?.querySelector('.preview-container')
+      if (!previewContainer) return
+
+      const scrollPercentage = textarea.scrollTop / (textarea.scrollHeight - textarea.clientHeight)
+      const previewScrollTop = scrollPercentage * (previewContainer.scrollHeight - previewContainer.clientHeight)
+      
+      previewContainer.scrollTop = previewScrollTop
     } finally {
       // 确保在下一帧重置标志
       requestAnimationFrame(() => {
@@ -46,20 +26,5 @@ export function useEditorSync(editorRef: React.RefObject<HTMLDivElement>) {
     }
   }, [editorRef])
 
-  // 添加滚动事件监听
-  useEffect(() => {
-    const editorElement = editorRef.current?.querySelector('.bytemd-editor')
-    
-    if (editorElement) {
-      editorElement.addEventListener('scroll', handleScroll, { passive: true })
-      window.addEventListener('scroll', handleScroll, { passive: true })
-      
-      return () => {
-        editorElement.removeEventListener('scroll', handleScroll)
-        window.removeEventListener('scroll', handleScroll)
-      }
-    }
-  }, [handleScroll])
-
   return { handleScroll }
 } 
\ No newline at end of file