diff --git a/backend/app/prompts/summary_prompts.py b/backend/app/prompts/summary_prompts.py
index 3f287a6..58b3c16 100644
--- a/backend/app/prompts/summary_prompts.py
+++ b/backend/app/prompts/summary_prompts.py
@@ -1,27 +1,26 @@
 SUMMARY_SYSTEM_PROMPT = (
-    "You are a backend engine that must return strict JSON only. "
-    "Do not include markdown, explanation, or extra keys."
+    "你是一个后端引擎，必须仅返回严格的 JSON。"
+    "不要包含 markdown、解释或额外字段。"
 )
 
 SUMMARY_USER_PROMPT_TEMPLATE = """
-You are a professional cross-platform news editor.
-Based on the following headlines about the same event from different platforms,
-return:
-1) a neutral unified title
-2) a cross-platform comprehensive summary
-3) topic tags
+你是一名专业的跨平台新闻编辑。
+根据以下来自不同平台的同一事件标题，请返回：
+1）一个中立的统一标题
+2）一份跨平台综合摘要
+3）主题标签
 
-Rules:
-1. Return strict JSON with exactly these keys:
-   - "unified_title": string
-   - "ai_comprehensive_summary": string
-   - "topic_keywords": array of 3 to 8 objects
-2. Each item in "topic_keywords" must be:
-   {{"keyword": string, "relevance_score": number}}
-3. relevance_score must be in [0, 100].
-4. keyword should be concise (max 12 chars preferred).
-5. The language should follow the dominant language in the input.
+规则：
+1. 返回严格的 JSON，且仅包含以下字段：
+   - "unified_title": 字符串
+   - "ai_comprehensive_summary": 字符串
+   - "topic_keywords": 3 到 8 个对象的数组
+2. "topic_keywords" 中每个元素必须为：
+   {{"keyword": 字符串, "relevance_score": 数字}}
+3. relevance_score 必须在 [0, 100] 范围内。
+4. keyword 应简洁（建议最多 12 个字符）。
+5. 输出语言应与输入中的主要语言一致。
 
-Cross-platform headline data:
+跨平台标题数据：
 {platform_data_text}
 """
diff --git a/backend/app/services/delivery_service.py b/backend/app/services/delivery_service.py
index a568b24..541dd0f 100644
--- a/backend/app/services/delivery_service.py
+++ b/backend/app/services/delivery_service.py
@@ -34,7 +34,7 @@ from app.utils.email_utils import send_html_email
 
 logger = logging.getLogger("delivery_service")
 
-# delivery_service 日志单独写文件，不再输出到控制台
+# delivery_service 日志单独写文件
 _delivery_log_dir = Path(__file__).resolve().parents[2] / "logs"
 _delivery_log_dir.mkdir(parents=True, exist_ok=True)
 _delivery_log_file = _delivery_log_dir / "delivery_check.log"
diff --git a/frontend/src/views/RegisterView.vue b/frontend/src/views/RegisterView.vue
index b6595e6..6223df9 100644
--- a/frontend/src/views/RegisterView.vue
+++ b/frontend/src/views/RegisterView.vue
@@ -336,7 +336,6 @@ onUnmounted(() => {
   position: relative;
   z-index: 2;
   max-width: 500px;
-  /* 增加悬浮透视感 */
   background: rgba(255, 255, 255, 0.02);
   padding: 40px;
   border-radius: var(--radius-xl);