fix：补充国际化修改

public/i18n/lang-en.json

@@ -43,7 +43,7 @@
     "okText": "Are you sure you want to log out?"
   },
   "management": {
-    "knowledgeTitle": "Welcome back, GuanLi4",
+    "knowledgeTitle": "Welcome back",
     "knowledgeDesc": "Which knowledge base are we going to use today?",
     "modelTitle": "Model Provider",
     "modelDesc": "Set model parameters and API key here.",