diff --git a/src/views/creative-generation-workshop/manuscript-writer/check/components/content-card/highlight-textarea.vue b/src/views/creative-generation-workshop/manuscript-writer/check/components/content-card/highlight-textarea.vue
index 6d4535a..16b0d81 100644
--- a/src/views/creative-generation-workshop/manuscript-writer/check/components/content-card/highlight-textarea.vue
+++ b/src/views/creative-generation-workshop/manuscript-writer/check/components/content-card/highlight-textarea.vue
@@ -1,32 +1,28 @@
 <template>
   <div class="highlight-textarea-container">
-    <!-- 透明输入层 -->
     <a-textarea
+      ref="textareaRef"
       v-model="inputValue"
       placeholder="请输入作品描述"
       :disabled="disabled"
       show-word-limit
-      maxlength="1000"
+      :max-length="1000"
       size="large"
       class="textarea-input h-full w-full"
       @input="handleInput"
-      @scroll="syncScroll"
-      :style="textareaStyle"
     />
 
-    <!-- 高亮显示层 -->
     <div
+      ref="highlightRef"
       class="textarea-highlight"
       :style="{ visibility: inputValue ? 'visible' : 'hidden' }"
       v-html="highlightedHtml"
-      @scroll="syncScroll"
     />
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, computed, watch, defineProps, defineEmits } from 'vue';
-import { isString } from '@/utils/is';
+import { ref, computed, watch, defineProps, defineEmits, onMounted, onUnmounted } from 'vue';
 import { escapeRegExp } from './constants';
 
 // 定义Props类型
@@ -43,9 +39,7 @@ const props = defineProps<{
   modelValue?: string;
   prohibitedWords?: ViolationItem[];
   levelMap?: Map<number, LevelMapItem>;
-  placeholder?: string;
   disabled?: boolean;
-  maxLength?: number;
 }>();
 
 const emit = defineEmits<{
@@ -53,6 +47,9 @@ const emit = defineEmits<{
 }>();
 
 // 内部状态管理
+// 修复highlightRef类型定义
+const textareaRef = ref<HTMLTextAreaElement | null>(null);
+const highlightRef = ref<HTMLTextAreaElement | null>(null);
 const inputValue = ref(props.modelValue || '');
 const scrollTop = ref(0);
 const highlightedHtml = computed(() => generateHighlightedHtml());
@@ -62,7 +59,7 @@ watch(
   () => props.modelValue,
   (newVal) => {
     if (newVal !== inputValue.value) {
-      inputValue.value = newVal || '';
+      inputValue.value = (newVal || '').slice(0, 1000);
     }
   },
 );
@@ -114,9 +111,26 @@ const generateHighlightedHtml = (): string => {
     const levelStyle = props.levelMap?.get(wordInfo.risk_level);
     const color = levelStyle?.color || '#F64B31';
 
-    return `<span class="s1" style="color: ${color};">${escapeHtml(match)}</span>`;
+    return `<span class="text-14px font-400 lh-22px" style="color: ${color};">${escapeHtml(match)}</span>`;
   });
 };
+
+onMounted(() => {
+  document.querySelector('.textarea-input .arco-textarea')?.addEventListener('scroll', handleTextareaScroll);
+});
+
+onUnmounted(() => {
+  document.querySelector('.textarea-input .arco-textarea')?.removeEventListener('scroll', handleTextareaScroll);
+});
+
+const handleTextareaScroll = (e: Event) => {
+  const _scrollTop = (e.target as HTMLTextAreaElement).scrollTop;
+
+  const highlightElement = document.querySelector('.textarea-highlight');
+  if (highlightElement) {
+    highlightElement.scrollTop = _scrollTop;
+  }
+};
 </script>
 
 <style scoped lang="scss">
@@ -124,8 +138,10 @@ const generateHighlightedHtml = (): string => {
   position: relative;
   width: 100%;
   height: 100%;
-  .textarea-input,
-  .textarea-highlight {
+  @mixin textarea-padding {
+    padding: 8px 12px;
+  }
+  @mixin textarea-style {
     box-sizing: border-box;
     width: 100%;
     height: 100%;
@@ -135,38 +151,46 @@ const generateHighlightedHtml = (): string => {
     border: 1px solid #e5e6eb;
     border-radius: 4px;
     resize: vertical;
-    //   font-family: inherit;
     white-space: pre-wrap;
     word-wrap: break-word;
   }
-  .s1 {
-    font-size: 14px;
-    line-height: 22px;
-    font-weight: 400px;
-  }
-  .textarea-input {
-    :deep(.arco-textarea) {
-      overflow: hidden;
-      position: absolute;
-      z-index: 1;
-      width: 100%;
-      padding: 8px 12px;
-      background: transparent;
-      color: transparent;
-      caret-color: #211f24 !important;
-    }
-  }
-
   .textarea-highlight {
+    @include textarea-style;
+    padding: 8px 12px;
     position: absolute;
     top: 0;
     left: 0;
     z-index: 0;
-    padding: 8px 12px;
+    @include textarea-padding;
     pointer-events: none;
     background: #fff;
     overflow: hidden;
   }
+  :deep(.arco-textarea-wrapper) {
+    @include textarea-style;
+    .arco-textarea {
+      padding: 0;
+      overflow: hidden;
+      position: absolute;
+      z-index: 1;
+      width: 100%;
+      background: transparent;
+      color: transparent;
+      caret-color: #211f24 !important;
+      @include textarea-padding;
+
+      //   -webkit-text-fill-color: transparent !important;
+      overflow-y: auto;
+    }
+    .arco-textarea-word-limit {
+      z-index: 2;
+    }
+    &.arco-textarea-disabled {
+      .arco-textarea {
+        background: #f5f5f5;
+      }
+    }
+  }
 
   /* 字数统计样式 */
   .word-count {
diff --git a/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue b/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue
index be3b808..46fbdb3 100644
--- a/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue
+++ b/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue
@@ -1,21 +1,19 @@
 <template>
   <div class="highlight-textarea-container">
-    <!-- 透明输入层 -->
     <a-textarea
+      ref="textareaRef"
       v-model="inputValue"
       placeholder="请输入作品描述"
       :disabled="disabled"
       show-word-limit
-      maxlength="1000"
+      :max-length="1000"
       size="large"
       class="textarea-input h-full w-full"
       @input="handleInput"
-      @scroll="syncScroll"
-      :style="textareaStyle"
     />
 
-    <!-- 高亮显示层 -->
     <div
+      ref="highlightRef"
       class="textarea-highlight"
       :style="{ visibility: inputValue ? 'visible' : 'hidden' }"
       v-html="highlightedHtml"
@@ -24,8 +22,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, watch, defineProps, defineEmits } from 'vue';
-import { isString } from '@/utils/is';
+import { ref, computed, watch, defineProps, defineEmits, onMounted, onUnmounted } from 'vue';
 import { escapeRegExp } from './constants';
 
 // 定义Props类型
@@ -42,9 +39,7 @@ const props = defineProps<{
   modelValue?: string;
   prohibitedWords?: ViolationItem[];
   levelMap?: Map<number, LevelMapItem>;
-  placeholder?: string;
   disabled?: boolean;
-  maxLength?: number;
 }>();
 
 const emit = defineEmits<{
@@ -52,6 +47,9 @@ const emit = defineEmits<{
 }>();
 
 // 内部状态管理
+// 修复highlightRef类型定义
+const textareaRef = ref<HTMLTextAreaElement | null>(null);
+const highlightRef = ref<HTMLTextAreaElement | null>(null);
 const inputValue = ref(props.modelValue || '');
 const scrollTop = ref(0);
 const highlightedHtml = computed(() => generateHighlightedHtml());
@@ -61,7 +59,7 @@ watch(
   () => props.modelValue,
   (newVal) => {
     if (newVal !== inputValue.value) {
-      inputValue.value = newVal || '';
+      inputValue.value = (newVal || '').slice(0, 1000);
     }
   },
 );
@@ -113,9 +111,26 @@ const generateHighlightedHtml = (): string => {
     const levelStyle = props.levelMap?.get(wordInfo.risk_level);
     const color = levelStyle?.color || '#F64B31';
 
-    return `<span class="s1" style="color: ${color};">${escapeHtml(match)}</span>`;
+    return `<span class="text-14px font-400 lh-22px" style="color: ${color};">${escapeHtml(match)}</span>`;
   });
 };
+
+onMounted(() => {
+  document.querySelector('.textarea-input .arco-textarea')?.addEventListener('scroll', handleTextareaScroll);
+});
+
+onUnmounted(() => {
+  document.querySelector('.textarea-input .arco-textarea')?.removeEventListener('scroll', handleTextareaScroll);
+});
+
+const handleTextareaScroll = (e: Event) => {
+  const _scrollTop = (e.target as HTMLTextAreaElement).scrollTop;
+
+  const highlightElement = document.querySelector('.textarea-highlight');
+  if (highlightElement) {
+    highlightElement.scrollTop = _scrollTop;
+  }
+};
 </script>
 
 <style scoped lang="scss">
@@ -123,8 +138,10 @@ const generateHighlightedHtml = (): string => {
   position: relative;
   width: 100%;
   height: 100%;
-  .textarea-input,
-  .textarea-highlight {
+  @mixin textarea-padding {
+    padding: 8px 12px;
+  }
+  @mixin textarea-style {
     box-sizing: border-box;
     width: 100%;
     height: 100%;
@@ -134,37 +151,44 @@ const generateHighlightedHtml = (): string => {
     border: 1px solid #e5e6eb;
     border-radius: 4px;
     resize: vertical;
-    //   font-family: inherit;
     white-space: pre-wrap;
     word-wrap: break-word;
   }
-  .s1 {
-    font-size: 14px;
-    line-height: 22px;
-    font-weight: 400px;
-  }
-  .textarea-input {
-    :deep(.arco-textarea) {
-    //   overflow: hidden;
-      position: absolute;
-      z-index: 1;
-      width: 100%;
-      padding: 8px 12px;
-      background: transparent;
-      color: transparent;
-      caret-color: #211f24 !important;
-    }
-  }
-
   .textarea-highlight {
+    @include textarea-style;
     position: absolute;
     top: 0;
     left: 0;
     z-index: 0;
-    padding: 8px 12px;
     pointer-events: none;
     background: #fff;
     overflow: hidden;
+    @include textarea-padding;
+  }
+  :deep(.arco-textarea-wrapper) {
+    @include textarea-style;
+    .arco-textarea {
+      padding: 0;
+      overflow: hidden;
+      position: absolute;
+      z-index: 1;
+      width: 100%;
+      background: transparent;
+      color: transparent;
+      caret-color: #211f24 !important;
+      @include textarea-padding;
+
+      //   -webkit-text-fill-color: transparent !important;
+      overflow-y: auto;
+    }
+    .arco-textarea-word-limit {
+      z-index: 2;
+    }
+    &.arco-textarea-disabled {
+      .arco-textarea {
+        background: #f5f5f5;
+      }
+    }
   }
 
   /* 字数统计样式 */