Fix text (#4244)

### What problem does this PR solve?

Fix frontend text

### Type of change

- [x] Refactoring

Signed-off-by: jinhai <haijin.chn@gmail.com>

web/src/locales/en.ts

       pleaseSelect: 'Please select',
       pleaseInput: 'Please input',
       submit: 'Submit',
-      embedIntoSite: 'Embed Into Site',
+      embedIntoSite: 'Embed into webpage',
     },
     login: {
       login: 'Sign in',
       createNewKey: 'Create new key',
       created: 'Created',
       action: 'Action',
-      embedModalTitle: 'Embed into website',
+      embedModalTitle: 'Embed into webpage',
       comingSoon: 'Coming Soon',
       fullScreenTitle: 'Full Embed',
       fullScreenDescription:
         'Embed the following iframe into your website at the desired location',
       partialTitle: 'Partial Embed',
       extensionTitle: 'Chrome Extension',
-      tokenError: 'Please create API Token first!',
-      betaError: 'Please acquire a RAGFlow API key from the System Settings page first.',
+      tokenError: 'Please create API key first.',
+      betaError:
+        'Please acquire a RAGFlow API key from the System Settings page first.',
       searching: 'Searching...',
       parsing: 'Parsing',
       uploading: 'Uploading',