Add fallback support for translation missing

lightrag_webui/src/components/graph/Legend.tsx

@@ -4,23 +4,6 @@ import { useGraphStore } from '@/stores/graph'
 import { Card } from '@/components/ui/Card'
 import { ScrollArea } from '@/components/ui/ScrollArea'
 
-// Predefined node types list
-const PREDEFINED_TYPES = [
-  'person',
-  'category',
-  'geo',
-  'location',
-  'organization',
-  'event',
-  'equipment',
-  'weapon',
-  'animal',
-  'unknown',
-  'object',
-  'group',
-  'technology',
-]
-
 interface LegendProps {
   className?: string
 }
@@ -45,9 +28,7 @@ const Legend: React.FC<LegendProps> = ({ className }) => {
                 style={{ backgroundColor: color }}
               />
               <span className="text-xs truncate" title={type}>
-                {PREDEFINED_TYPES.includes(type.toLowerCase())
-                  ? t(`graphPanel.nodeTypes.${type.toLowerCase()}`)
-                  : type}
+                {t(`graphPanel.nodeTypes.${type.toLowerCase()}`, type)}
               </span>
             </div>
           ))}

lightrag_webui/src/i18n.ts

@@ -29,11 +29,14 @@ i18n
       fr: { translation: fr },
       ar: { translation: ar }
     },
-    lng: getStoredLanguage(), // 使用存储的语言设置
+    lng: getStoredLanguage(), // Use stored language settings
     fallbackLng: 'en',
     interpolation: {
       escapeValue: false
-    }
+    },
+    // Configuration to handle missing translations
+    returnEmptyString: false,
+    returnNull: false,
   })
 
 // Subscribe to language changes