功能：代码优化

src/components/categorySelect/index.tsx

@@ -126,7 +126,7 @@ const CategorySelectView: React.FC<{
     const secondID = Number(router?.query?.second);
     // 如果路由里面有一级分类id,则初始化一级分类
     if (mainID) {
-      const index = list?.findIndex((i) => i?.value === mainID);
+      const index = list?.findIndex((i) => i?.value === mainID) || 0;
       setCurrentIndex(index);
       onMain?.(list[index]?.value);
       if (!secondID)