fix(agent): redirect to blank page when navigating home from model page

ragflow_web/src/locales/en.ts

@@ -11,6 +11,7 @@ export default {
       yes: 'Yes',
       no: 'No',
       total: 'Total',
+      know: 'Known',
       rename: 'Rename',
       name: 'Name',
       save: 'Save',
@@ -106,6 +107,7 @@ export default {
       noMoreData: `That's all. Nothing more.`,
     },
     knowledgeDetails: {
+      pleaseAddEmbeddingModel: 'Please add embedding model and LLM in the model provider first, then set them in "Set Default Model".',
       localUpload: 'Local Upload',
       fileSize: 'File Size',
       fileType: 'File Type',