fix: Supply the Korean Language Internationalization File Content

Author: xuwei-fit2cloud

frontend/src/i18n/en.json

@@ -97,9 +97,9 @@
     "result_count": "result",
     "clear_filter": "Clear conditions",
     "reset": "Reset",
-    "simplified_chinese": "Simplified Chinese",
-    "korean": "Korean",
-    "traditional_chinese": "Traditional Chinese",
+    "simplified_chinese": "简体中文",
+    "korean": "한국어",
+    "traditional_chinese": "繁體中文",
     "help": "Help",
     "language": "Language",
     "english": "English",