problems with union

src/YGOProCard.ts

@@ -179,7 +179,7 @@ export class YGOProCard implements YGOProCardLike {
   }
 
   getDisplayString(config: YGOCardConfig) {
-    const view = this.getView(config.lang);
+    const view = this.getView(config.getLang());
     const lines: string[] = [];
     if (config.displayPic) {
       lines.push(

src/config.ts

@@ -17,14 +17,24 @@ export class YGOCardConfig {
   })
   databasePaths: string[];
 
-  @DefineSchema({ type: 'number', default: 100, description: '查询最多显示的数量' })
+  @DefineSchema({
+    type: 'number',
+    default: 100,
+    description: '查询最多显示的数量',
+  })
   matchCount: number;
 
   @DefineSchema({
-    type: Schema.union(['cn', 'en']).description('显示语言').default('cn'),
+    type: String,
+    description: '显示语言',
+    default: 'cn',
   })
   lang: 'cn' | 'en';
 
+  getLang() {
+    return this.lang === 'en' ? 'en' : 'cn';
+  }
+
   @DefineSchema({ type: 'boolean', description: '是否展示卡图', default: true })
   displayPic: boolean;