diff --git a/apps/jingrow/frontend/src/locales/zh-CN.json b/apps/jingrow/frontend/src/locales/zh-CN.json
index 576c5c0..16c3171 100644
--- a/apps/jingrow/frontend/src/locales/zh-CN.json
+++ b/apps/jingrow/frontend/src/locales/zh-CN.json
@@ -1193,5 +1193,30 @@
   "URL": "URL",
   "Created": "创建时间",
   "Last Updated": "最后更新",
-  "Click image to try": "点击图片快速体验"
+  "Click image to try": "点击图片快速体验",
+  "Remove Background": "去除背景",
+  "Download": "下载",
+  "Change Image": "更换图片",
+  "Upload Image": "上传图片",
+  "or": "或",
+  "Paste image URL here": "粘贴图片URL",
+  "Drag and drop your image anywhere, or paste image directly": "拖放图片到任意位置，或直接粘贴图片",
+  "Supports JPG, PNG, WebP formats": "支持 JPG、PNG、WebP 格式",
+  "Loading image from URL...": "加载图片URL中...",
+  "Original": "原图",
+  "Background Removed": "去背景后",
+  "Processing...": "处理中...",
+  "Add new image": "添加新图片",
+  "Delete": "删除",
+  "Unsupported image format. Please use JPG, PNG, or WebP": "不支持的图片格式，请使用 JPG、PNG 或 WebP",
+  "Image size exceeds 10MB limit": "图片大小超过 10MB 限制",
+  "Please upload an image first": "请先上传图片",
+  "Failed to download image": "下载失败",
+  "Please enter an image URL": "请输入图片URL",
+  "Please enter a valid image URL": "请输入有效的图片URL",
+  "Image processing failed, please try again": "图片处理失败，请重试",
+  "Failed to load sample image": "加载示例图片失败",
+  "Failed to remove background": "去背景失败",
+  "Failed to load image from URL": "从URL加载图片失败",
+  "Sign up successful, but auto login failed. Please login manually": "注册成功，但自动登录失败，请手动登录"
 }
diff --git a/apps/jingrow/frontend/src/views/HomePage.vue b/apps/jingrow/frontend/src/views/HomePage.vue
index 68d9a7c..832d1f8 100644
--- a/apps/jingrow/frontend/src/views/HomePage.vue
+++ b/apps/jingrow/frontend/src/views/HomePage.vue
@@ -160,7 +160,7 @@ const handleSignupSubmit = async () => {
           signupFormData.email = ''
           signupFormData.phoneNumber = ''
         } else {
-          message.warning(loginResult.error || t('注册成功，但自动登录失败，请手动登录'))
+          message.warning(loginResult.error || t('Sign up successful, but auto login failed. Please login manually'))
           showSignupModal.value = false
           showLoginModal.value = true
         }
@@ -385,13 +385,13 @@ const handleFileSelect = (e: Event) => {
 const processFile = async (file: File) => {
   const validTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/webp']
   if (!validTypes.includes(file.type)) {
-    message.warning('不支持的图片格式，请使用 JPG、PNG 或 WebP')
+    message.warning(t('Unsupported image format. Please use JPG, PNG, or WebP'))
     return
   }
 
   const maxSize = 10 * 1024 * 1024
   if (file.size > maxSize) {
-    message.warning('图片大小超过 10MB 限制')
+    message.warning(t('Image size exceeds 10MB limit'))
     return
   }
 
@@ -416,7 +416,7 @@ const processFile = async (file: File) => {
     reader.readAsDataURL(compressedFile)
   } catch (error) {
     console.error('图片压缩失败:', error)
-    message.error('图片处理失败，请重试')
+      message.error(t('Image processing failed, please try again'))
   }
 }
 
@@ -437,7 +437,7 @@ const handleSampleImageClick = async (imageUrl: string) => {
     // 验证文件类型
     const validTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/webp']
     if (!validTypes.includes(blob.type)) {
-      message.warning('不支持的图片格式')
+      message.warning(t('Unsupported image format. Please use JPG, PNG, or WebP'))
       processing.value = false
       return
     }
@@ -445,7 +445,7 @@ const handleSampleImageClick = async (imageUrl: string) => {
     // 验证文件大小
     const maxSize = 10 * 1024 * 1024
     if (blob.size > maxSize) {
-      message.warning('图片大小超过 10MB 限制')
+      message.warning(t('Image size exceeds 10MB limit'))
       processing.value = false
       return
     }
@@ -455,12 +455,12 @@ const handleSampleImageClick = async (imageUrl: string) => {
     await processFile(file)
   } catch (error: any) {
     console.error('加载示例图片失败:', error)
-    let errorMessage = '加载示例图片失败'
+    let errorMessage = t('Failed to load sample image')
     
     if (error.message?.includes('CORS')) {
-      errorMessage = '图片服务器不允许跨域访问'
+      errorMessage = t('CORS error. The image server does not allow cross-origin access.')
     } else if (error.message?.includes('Failed to load')) {
-      errorMessage = '加载图片失败，请稍后重试'
+      errorMessage = t('Failed to load image. Please check the URL and try again.')
     }
     
     message.error(errorMessage)
@@ -470,7 +470,7 @@ const handleSampleImageClick = async (imageUrl: string) => {
 
 const handleRemoveBackground = async () => {
   if (!uploadedImage.value) {
-    message.warning('请先上传图片')
+    message.warning(t('Please upload an image first'))
     return
   }
 
@@ -519,16 +519,16 @@ const handleRemoveBackground = async () => {
             historyList.value[currentHistoryIndex.value].resultImage = firstResult.image_url
           }
         } else {
-          message.error(firstResult.error || '去背景失败')
+          message.error(firstResult.error || t('Failed to remove background'))
         }
       } else {
-        message.error(result.error || '去背景失败')
+        message.error(result.error || t('Failed to remove background'))
       }
     } else {
-      message.error(response.data?.error || response.data?.message || '去背景失败')
+      message.error(response.data?.error || response.data?.message || t('Failed to remove background'))
     }
   } catch (error: any) {
-    let errorMessage = '去背景失败'
+    let errorMessage = t('Failed to remove background')
     if (error.response?.data?.error) {
       errorMessage = error.response.data.error
     } else if (error.message) {
@@ -596,7 +596,7 @@ const handleDownload = async () => {
     // 不立即清理 blob URL，保留缓存供后续下载使用
   } catch (error) {
     console.error('下载失败:', error)
-    message.error('下载失败')
+    message.error(t('Failed to download image'))
   }
 }
 
@@ -789,12 +789,12 @@ const handleUrlPaste = async (event: ClipboardEvent) => {
 const handleUrlSubmit = async () => {
   const url = imageUrl.value.trim()
   if (!url) {
-    message.warning('请输入图片URL')
+    message.warning(t('Please enter an image URL'))
     return
   }
 
   if (!isValidImageUrl(url)) {
-    message.warning('请输入有效的图片URL')
+    message.warning(t('Please enter a valid image URL'))
     return
   }
 
@@ -813,14 +813,14 @@ const handleUrlSubmit = async () => {
     
     const validTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/webp']
     if (!validTypes.includes(blob.type)) {
-      message.warning('不支持的图片格式，请使用 JPG、PNG 或 WebP')
+      message.warning(t('Unsupported image format. Please use JPG, PNG, or WebP'))
       processing.value = false
       return
     }
 
     const maxSize = 10 * 1024 * 1024
     if (blob.size > maxSize) {
-      message.warning('图片大小超过 10MB 限制')
+      message.warning(t('Image size exceeds 10MB limit'))
       processing.value = false
       return
     }
@@ -842,17 +842,17 @@ const handleUrlSubmit = async () => {
       await handleRemoveBackground()
     } catch (error) {
       console.error('图片压缩失败:', error)
-      message.error('图片处理失败，请重试')
+      message.error(t('Image processing failed, please try again'))
       processing.value = false
     }
   } catch (error: any) {
     console.error('加载图片URL失败:', error)
-    let errorMessage = '加载图片URL失败'
+    let errorMessage = t('Failed to load image from URL')
     
     if (error.message?.includes('CORS')) {
-      errorMessage = 'CORS错误。图片服务器不允许跨域访问。'
+      errorMessage = t('CORS error. The image server does not allow cross-origin access.')
     } else if (error.message?.includes('Failed to load')) {
-      errorMessage = '加载图片失败。请检查URL并重试。'
+      errorMessage = t('Failed to load image. Please check the URL and try again.')
     }
     
     message.error(errorMessage)
@@ -955,8 +955,8 @@ onUnmounted(() => {
           </div>
           <div class="header-right">
             <n-space :size="12">
-              <n-button quaternary @click="handleSignup">注册</n-button>
-              <n-button type="primary" @click="handleLogin" class="login-btn">登录</n-button>
+              <n-button quaternary @click="handleSignup">{{ t('Sign up') }}</n-button>
+              <n-button type="primary" @click="handleLogin" class="login-btn">{{ t('Login') }}</n-button>
             </n-space>
           </div>
         </div>
@@ -974,12 +974,12 @@ onUnmounted(() => {
       
       <div class="tool-page">
         <div class="page-header">
-          <h2>去除背景</h2>
+          <h2>{{ t('Remove Background') }}</h2>
           <div v-if="uploadedImage" class="toolbar-actions">
-            <button v-if="resultImage" class="toolbar-btn" @click="handleDownload" title="下载">
+            <button v-if="resultImage" class="toolbar-btn" @click="handleDownload" :title="t('Download')">
               <i class="fa fa-download"></i>
             </button>
-            <button class="toolbar-btn" @click="resetUpload" title="更换图片">
+            <button class="toolbar-btn" @click="resetUpload" :title="t('Change Image')">
               <i class="fa fa-refresh"></i>
             </button>
           </div>
@@ -992,11 +992,11 @@ onUnmounted(() => {
                 <div class="upload-content">
                   <button type="button" class="upload-btn" @click="triggerFileInput" :disabled="processing">
                     <i class="fa fa-upload"></i>
-                    <span>上传图片</span>
+                    <span>{{ t('Upload Image') }}</span>
                   </button>
                   
                   <div class="divider">
-                    <span>或</span>
+                    <span>{{ t('or') }}</span>
                   </div>
                   
                   <div class="url-input-wrapper" @click.stop>
@@ -1005,19 +1005,19 @@ onUnmounted(() => {
                       v-model="imageUrl"
                       type="text"
                       class="url-input"
-                      placeholder="粘贴图片URL"
+                      :placeholder="t('Paste image URL here')"
                       @keyup.enter="handleUrlSubmit"
                       @paste="handleUrlPaste"
                       :disabled="processing"
                     />
                   </div>
                   
-                  <p class="upload-hint">拖放图片到任意位置，或直接粘贴图片</p>
-                  <p class="upload-format-hint">支持 JPG、PNG、WebP 格式</p>
+                  <p class="upload-hint">{{ t('Drag and drop your image anywhere, or paste image directly') }}</p>
+                  <p class="upload-format-hint">{{ t('Supports JPG, PNG, WebP formats') }}</p>
                 </div>
                 <div v-if="processing" class="upload-processing-overlay">
                   <div class="spinner"></div>
-                  <p>加载图片URL中...</p>
+                  <p>{{ t('Loading image from URL...') }}</p>
                 </div>
               </div>
 
@@ -1025,10 +1025,10 @@ onUnmounted(() => {
                 <div class="comparison-view" v-if="resultImage">
                   <div class="comparison-container" ref="comparisonContainerRef">
                     <div class="comparison-image original-image" :style="{ clipPath: `inset(0 ${100 - splitPosition}% 0 0)` }">
-                      <img ref="originalImageRef" :src="uploadedImageUrl" alt="原图" @load="adjustContainerSize" />
+                      <img ref="originalImageRef" :src="uploadedImageUrl" :alt="t('Original')" @load="adjustContainerSize" />
                     </div>
                     <div class="comparison-image result-image" :style="{ clipPath: `inset(0 0 0 ${splitPosition}%)` }">
-                      <img ref="resultImageRef" :src="resultImageUrl" alt="结果" @load="adjustContainerSize" />
+                      <img ref="resultImageRef" :src="resultImageUrl" :alt="t('Background Removed')" @load="adjustContainerSize" />
                     </div>
                     <div class="split-line" :class="{ dragging: isDraggingSplitLine }" :style="{ left: `${splitPosition}%` }" @mousedown.prevent.stop="handleSplitLineMouseDown">
                       <div class="split-line-handle">
@@ -1040,11 +1040,11 @@ onUnmounted(() => {
                 <div v-else class="single-image-view">
                   <div class="image-wrapper" ref="singleImageWrapperRef">
                     <div class="single-image-container">
-                      <img ref="singleImageRef" :src="uploadedImageUrl" alt="原图" @load="adjustContainerSize" />
+                      <img ref="singleImageRef" :src="uploadedImageUrl" :alt="t('Original')" @load="adjustContainerSize" />
                     </div>
                     <div v-if="processing" class="processing-overlay">
                       <div class="spinner"></div>
-                      <p>处理中...</p>
+                      <p>{{ t('Processing...') }}</p>
                     </div>
                   </div>
                 </div>
@@ -1057,7 +1057,7 @@ onUnmounted(() => {
                   type="button"
                   class="history-item add-button"
                   @click.stop="triggerFileInput"
-                  title="添加新图片"
+                  :title="t('Add new image')"
                 >
                   <i class="fa fa-plus"></i>
                 </button>
@@ -1075,8 +1075,8 @@ onUnmounted(() => {
                       type="button"
                       class="history-delete-btn"
                       @click.stop="removeHistoryItem(index)"
-                      title="删除"
-                      :aria-label="'删除'"
+                      :title="t('Delete')"
+                      :aria-label="t('Delete')"
                     ></button>
                   </div>
                 </div>
@@ -1223,12 +1223,12 @@ onUnmounted(() => {
               
               <div class="tool-page">
                   <div class="page-header">
-                    <h2>去除背景</h2>
+                    <h2>{{ t('Remove Background') }}</h2>
                     <div v-if="uploadedImage" class="toolbar-actions">
-                      <button v-if="resultImage" class="toolbar-btn" @click="handleDownload" title="下载">
+                      <button v-if="resultImage" class="toolbar-btn" @click="handleDownload" :title="t('Download')">
                         <i class="fa fa-download"></i>
                       </button>
-                      <button class="toolbar-btn" @click="resetUpload" title="更换图片">
+                      <button class="toolbar-btn" @click="resetUpload" :title="t('Change Image')">
                         <i class="fa fa-refresh"></i>
                       </button>
                     </div>
@@ -1241,11 +1241,11 @@ onUnmounted(() => {
                           <div class="upload-content">
                             <button type="button" class="upload-btn" @click="triggerFileInput" :disabled="processing">
                               <i class="fa fa-upload"></i>
-                              <span>上传图片</span>
+                              <span>{{ t('Upload Image') }}</span>
                             </button>
                             
                             <div class="divider">
-                              <span>或</span>
+                              <span>{{ t('or') }}</span>
                             </div>
                             
                             <div class="url-input-wrapper" @click.stop>
@@ -1254,19 +1254,19 @@ onUnmounted(() => {
                                 v-model="imageUrl"
                                 type="text"
                                 class="url-input"
-                                placeholder="粘贴图片URL"
+                                :placeholder="t('Paste image URL here')"
                                 @keyup.enter="handleUrlSubmit"
                                 @paste="handleUrlPaste"
                                 :disabled="processing"
                               />
                             </div>
                             
-                            <p class="upload-hint">拖放图片到任意位置，或直接粘贴图片</p>
-                            <p class="upload-format-hint">支持 JPG、PNG、WebP 格式</p>
+                            <p class="upload-hint">{{ t('Drag and drop your image anywhere, or paste image directly') }}</p>
+                            <p class="upload-format-hint">{{ t('Supports JPG, PNG, WebP formats') }}</p>
                           </div>
                           <div v-if="processing" class="upload-processing-overlay">
                             <div class="spinner"></div>
-                            <p>加载图片URL中...</p>
+                            <p>{{ t('Loading image from URL...') }}</p>
                           </div>
                         </div>
 
@@ -1274,10 +1274,10 @@ onUnmounted(() => {
                           <div class="comparison-view" v-if="resultImage">
                             <div class="comparison-container" ref="comparisonContainerRef">
                               <div class="comparison-image original-image" :style="{ clipPath: `inset(0 ${100 - splitPosition}% 0 0)` }">
-                                <img ref="originalImageRef" :src="uploadedImageUrl" alt="原图" @load="adjustContainerSize" />
+                                <img ref="originalImageRef" :src="uploadedImageUrl" :alt="t('Original')" @load="adjustContainerSize" />
                               </div>
                               <div class="comparison-image result-image" :style="{ clipPath: `inset(0 0 0 ${splitPosition}%)` }">
-                                <img ref="resultImageRef" :src="resultImageUrl" alt="结果" @load="adjustContainerSize" />
+                                <img ref="resultImageRef" :src="resultImageUrl" :alt="t('Background Removed')" @load="adjustContainerSize" />
                               </div>
                               <div class="split-line" :class="{ dragging: isDraggingSplitLine }" :style="{ left: `${splitPosition}%` }" @mousedown.prevent.stop="handleSplitLineMouseDown">
                                 <div class="split-line-handle">
@@ -1289,11 +1289,11 @@ onUnmounted(() => {
                           <div v-else class="single-image-view">
                             <div class="image-wrapper" ref="singleImageWrapperRef">
                               <div class="single-image-container">
-                                <img ref="singleImageRef" :src="uploadedImageUrl" alt="原图" @load="adjustContainerSize" />
+                                <img ref="singleImageRef" :src="uploadedImageUrl" :alt="t('Original')" @load="adjustContainerSize" />
                               </div>
                               <div v-if="processing" class="processing-overlay">
                                 <div class="spinner"></div>
-                                <p>处理中...</p>
+                                <p>{{ t('Processing...') }}</p>
                               </div>
                             </div>
                           </div>
@@ -1306,7 +1306,7 @@ onUnmounted(() => {
                             type="button"
                             class="history-item add-button"
                             @click.stop="triggerFileInput"
-                            title="添加新图片"
+                            :title="t('Add new image')"
                           >
                             <i class="fa fa-plus"></i>
                           </button>
@@ -1324,8 +1324,8 @@ onUnmounted(() => {
                                 type="button"
                                 class="history-delete-btn"
                                 @click.stop="removeHistoryItem(index)"
-                                title="删除"
-                                :aria-label="'删除'"
+                                :title="t('Delete')"
+                                :aria-label="t('Delete')"
                               ></button>
                             </div>
                           </div>
@@ -1909,7 +1909,6 @@ onUnmounted(() => {
   font-weight: 600;
   color: #64748b;
   margin: 0 0 16px 0;
-  text-transform: uppercase;
   letter-spacing: 0.05em;
 }