feat: #345 even if the backend data returns empty, the skeleton of the chart will be displayed. (#461)

… chart will be displayed.

### What problem does this PR solve?

feat: #345 even if the backend data returns empty, the skeleton of the
chart will be displayed.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/zh.ts

@@ -338,21 +338,20 @@ export default {
         '这设置了模型输出的最大长度，以标记（单词或单词片段）的数量来衡量。',
       quote: '显示引文',
       quoteTip: '是否应该显示原文出处？',
-      overview: 'API',
+      overview: '聊天 API',
       pv: '消息数',
       uv: '活跃用户数',
       speed: 'Token 输出速度',
       tokens: '消耗Token数',
       round: '会话互动数',
       thumbUp: '用户满意度',
-      publicUrl: '公共Url',
       preview: '预览',
       embedded: '嵌入',
       serviceApiEndpoint: '服务API端点',
-      apiKey: 'API键',
-      apiReference: 'API参考',
+      apiKey: 'API 键',
+      apiReference: 'API 文档',
       dateRange: '日期范围：',
-      backendServiceApi: '后端服务API',
+      backendServiceApi: '后端服务 API',
       createNewKey: '创建新密钥',
       created: '创建于',
       action: '操作',