chore：实现左侧一级分类点击哪个行业，右面就只显示这个行业，不显示其他的行业

components-diy/diy-category.vue

@@ -98,7 +98,7 @@
 						refresher-default-style="none" :refresher-triggered="triggered" @refresherrefresh="onRefresh"
 						@refresherrestore="onRestore">
 						<view class="child-category" v-for="(item, index) in categoryTree" :key="index"
-							:id="'category-' + index">
+							:id="'category-' + index" v-if="select == index">
 							<diy-category-item :category="item" :value="value" ref="categoryItem" :index="index"
 								:select="select" :oneCategorySelect="oneCategorySelect" :isList="isList"
 								@tologin="toLogin" @selectsku="selectSku($event, index)" @addCart="addCartPoint"