fix: 修复微信小程序 v-for 事件绑定兼容性问题

- 修复 v-for 循环中 @click 直接传递 item 导致的错误
- 使用 data- 属性传递数据，通过 event.currentTarget.dataset 获取
- 适配微信小程序模板编译限制

Error: v-for 暂不支持循环数据 (env: macOS,mp,1.06.2307250)

msh_single_uniapp/pages/tool/nutrition-knowledge.vue

@@ -36,7 +36,7 @@
 						class="nutrient-card" 
 						v-for="(item, index) in nutrientList" 
 						:key="index"
-						@click="goToNutrientDetail(item)"
+						@click="goToNutrientDetail" data-nutrient-index="{{ index }}"
 					>
 						<view class="nutrient-icon-wrapper">
 							<text class="nutrient-icon">{{ item.icon }}</text>
@@ -65,7 +65,7 @@
 						class="knowledge-item" 
 						v-for="(item, index) in (guideList || [])" 
 						:key="item.knowledgeId || item.id || index"
-						@click="goToDetail(item)"
+						@click="goToDetail" data-item-id="{{ item.id }}" data-item-kid="{{ item.knowledgeId }}"
 					>
 						<view class="knowledge-cover" v-if="item.coverImage || item.cover_image">
 							<image :src="item.coverImage || item.cover_image" mode="aspectFill" class="cover-img" />
@@ -96,7 +96,7 @@
 						class="knowledge-item" 
 						v-for="(item, index) in (articleList || [])" 
 						:key="item.knowledgeId || item.id || index"
-						@click="goToDetail(item)"
+						@click="goToDetail" data-item-id="{{ item.id }}" data-item-kid="{{ item.knowledgeId }}"
 					>
 						<view class="knowledge-cover" v-if="item.coverImage || item.cover_image">
 							<image :src="item.coverImage || item.cover_image" mode="aspectFill" class="cover-img" />
@@ -263,24 +263,24 @@ export default {
 			this.currentTab = tab;
 			await this.loadKnowledgeList();
 		},
-		goToNutrientDetail(item) {
+		goToNutrientDetail(event) {
+			const index = event.currentTarget.dataset.nutrientIndex;
+			const item = this.nutrientList[index];
+			if (!item) return;
 			uni.navigateTo({
 				url: `/pages/tool/nutrient-detail?name=${item.name}`
 			})
 		},
-		goToDetail(item) {
+		goToDetail(event) {
-			if (!item) {
+			const id = event.currentTarget.dataset.itemId;
-				uni.showToast({ title: '暂无详情', icon: 'none' });
+			const knowledgeId = event.currentTarget.dataset.itemKid;
-				return;
+			const finalId = knowledgeId || id;
-			}
+			if (!finalId) {
-			// 确保 knowledgeId 或 id 存在才跳转，否则提示暂无详情
+				uni.showToast({ title: "暂无详情", icon: "none" });
-			const id = item.knowledgeId ?? item.id ?? item.knowledge_id;
-			if (id === undefined || id === null || id === '' || (typeof id === 'number' && isNaN(id))) {
-				uni.showToast({ title: '暂无详情', icon: 'none' });
 				return;
 			}
 			uni.navigateTo({
-				url: `/pages/tool/knowledge-detail?id=${id}`
+				url: `/pages/tool/knowledge-detail?id=${finalId}`
 			});
 		}
 	}