diff --git a/pages/upload/upload.vue b/pages/upload/upload.vue
index 3f95fd6..228445d 100644
--- a/pages/upload/upload.vue
+++ b/pages/upload/upload.vue
@@ -265,7 +265,7 @@
 								<text class="info-inline-label">书名</text>
 								<view class="inline-fields" style="flex:1;">
 									<view class="inline-field" style="flex:1;">
-										<input class="form-input" v-model="noIsbnBookName" placeholder="请输入书名" style="flex:1;" />
+										<input class="form-input" v-model="noIsbnBookName" placeholder="请输入书名" @input="onNoIsbnBookNameInput" style="flex:1;" />
 									</view>
 									<view class="inline-field" style="flex:none;">
 										<view class="search-btn" @click="searchNoIsbn">
@@ -371,19 +371,12 @@
 								<text class="info-inline-label">图书分类 & 装订</text>
 								<view class="inline-fields" style="flex:1;align-items:stretch;">
 									<view class="inline-field" style="flex:1;">
-										<picker v-if="noIsbnCategoryColumns.length > 0" mode="multiSelector" :range="noIsbnCategoryColumns" range-key="name" @columnchange="onNoIsbnCategoryColumnChange" @change="onNoIsbnCategoryChange" :value="noIsbnCategoryIndexes">
+										<picker @change="onNoIsbnCategoryChange" :value="noIsbnCategoryIndex" :range="noIsbnCategoryNames">
 											<view class="category-select" style="height:100%;">
-												<text class="category-value">{{ noIsbnCategoryPathText || '请选择分类' }}</text>
+												<text class="category-value">{{ noIsbnCategoryNames[noIsbnCategoryIndex] || '请选择分类' }}</text>
 												<text class="picker-arrow">›</text>
 											</view>
 										</picker>
-										<view v-else-if="noIsbnCategoryLoading" class="category-select" style="height:100%;">
-											<text class="category-value" style="color:#999;">加载中...</text>
-										</view>
-										<view v-else class="category-select" style="height:100%;" @click="loadNoIsbnCategory">
-											<text class="category-value" style="color:#999;">点击加载分类</text>
-											<text class="picker-arrow">›</text>
-										</view>
 									</view>
 									<view class="inline-field" style="flex:1;">
 										<view class="dropdown-wrapper" style="flex:1;">
@@ -898,7 +891,7 @@
 
 <script>
 import { getWarehouseList, getLocationList, searchBookByIsbn, calculateSign, buildFormBodyWithImages } from '@/utils/api.js'
-import { login as kongfzLogin, searchProducts, searchFacet } from '@/utils/kongfz.js'
+import { login as kongfzLogin, searchProducts, searchFacet, searchCategories } from '@/utils/kongfz.js'
 import { uploadImages } from '@/utils/minio.js'
 
 export default {
@@ -969,15 +962,13 @@ export default {
 			noIsbnBookPopupVisible: false,
 			noIsbnBookList: [],
 			
-			// 分类（从API加载）
-			noIsbnCategoryData: [],
-			noIsbnCategoryColumns: [],
-			noIsbnCategoryIndexes: [],
-			noIsbnCategoryLevels: [],
-			noIsbnMaxCategoryLevel: 3,
-			noIsbnCategoryPathText: '',
+			// 分类（从孔网按书名搜索获取）
+			noIsbnCategoryList: [],
+			noIsbnCategoryNames: ['请输入书名后自动获取分类'],
+			noIsbnCategoryIndex: 0,
 			noIsbnCategoryLoading: false,
-			noIsbnSelectedCategoryId: '',
+			noIsbnSelectedCategoryValue: '',
+			_noIsbnCategoryTimer: null,
 			
 			// 无ISBN - 市场竞争/在售
 			noIsbnProductList: [],
@@ -1069,8 +1060,6 @@ export default {
 		this.loadSavedAccounts()
 		// 恢复定价策略配置
 		this.loadPriceConfig()
-		// 预加载图书分类
-		this.loadNoIsbnCategory()
 		// 初始化印刷时间选择器默认值
 		this.syncNoIsbnPrintTimeIndexes()
 		// 恢复选择的仓库货位
@@ -1898,137 +1887,52 @@ export default {
 
 		// 分类
 		// 无ISBN - 分类选择器：列变化
-		onNoIsbnCategoryColumnChange(e) {
-			const { column, value } = e.detail
-			this.noIsbnCategoryIndexes[column] = value
-			this.noIsbnCategoryLevels[column] = this.noIsbnCategoryColumns[column][value]
-			if (column < this.noIsbnMaxCategoryLevel - 1) {
-				this.updateNoIsbnSubsequentColumns(column + 1)
-			}
-			this.updateNoIsbnCategoryPathText()
+		// 根据书名搜索孔网分类（防抖）
+		onNoIsbnBookNameInput() {
+			if (this._noIsbnCategoryTimer) clearTimeout(this._noIsbnCategoryTimer)
+			this._noIsbnCategoryTimer = setTimeout(() => {
+				this.fetchNoIsbnCategories()
+			}, 600)
 		},
 
-		// 无ISBN - 分类选择器：确认选择
-		onNoIsbnCategoryChange(e) {
-			const values = e.detail.value
-			this.noIsbnCategoryIndexes = [...values]
-			for (let i = 0; i < values.length; i++) {
-				if (this.noIsbnCategoryColumns[i] && this.noIsbnCategoryColumns[i][values[i]]) {
-					this.noIsbnCategoryLevels[i] = this.noIsbnCategoryColumns[i][values[i]]
-				}
-			}
-			this.updateNoIsbnCategoryPathText()
-			this.updateNoIsbnSelectedCategoryId()
-		},
-
-		updateNoIsbnSubsequentColumns(startColumn) {
-			const parentCategory = this.noIsbnCategoryLevels[startColumn - 1]
-			if (!parentCategory || !parentCategory.children || parentCategory.children.length === 0) {
-				for (let i = startColumn; i < this.noIsbnMaxCategoryLevel; i++) {
-					this.noIsbnCategoryColumns[i] = [{ name: '暂无数据', id: '' }]
-					this.noIsbnCategoryIndexes[i] = 0
-					this.noIsbnCategoryLevels[i] = { name: '暂无数据', id: '' }
-				}
-				return
-			}
-			this.noIsbnCategoryColumns[startColumn] = parentCategory.children
-			this.noIsbnCategoryIndexes[startColumn] = 0
-			this.noIsbnCategoryLevels[startColumn] = parentCategory.children[0]
-			if (startColumn < this.noIsbnMaxCategoryLevel - 1) {
-				this.updateNoIsbnSubsequentColumns(startColumn + 1)
-			}
-		},
-
-		updateNoIsbnCategoryPathText() {
-			const validLevels = this.noIsbnCategoryLevels.filter(level => level && level.name && level.name !== '暂无数据')
-			this.noIsbnCategoryPathText = validLevels.map(level => level.name).join(' / ')
-		},
-
-		updateNoIsbnSelectedCategoryId() {
-			const validLevels = this.noIsbnCategoryLevels.filter(level => level && level.id && level.id !== '')
-			this.noIsbnSelectedCategoryId = validLevels.length > 0 ? validLevels[validLevels.length - 1].id : ''
-		},
-
-		// 加载图书分类（从API）
-		loadNoIsbnCategory() {
+		// 从孔网搜索图书分类
+		async fetchNoIsbnCategories() {
+			var bookName = (this.noIsbnBookName || '').trim()
+			if (!bookName) return
 			this.noIsbnCategoryLoading = true
-			const cookies = uni.getStorageSync('cookies') || this.kongfzToken || ''
-			uni.request({
-				url: 'https://api.buzhiyushu.cn/api/kongfz/getCategory',
-				method: 'GET',
-				data: { token: cookies },
-				header: { 'Content-Type': 'application/json' },
-				success: (res) => {
-					const responseData = res.data
-					if (responseData && responseData.successResponse) {
-						this.noIsbnCategoryData = responseData.successResponse
-						this.initNoIsbnCategoryPicker()
-					} else {
-						console.error('获取分类数据失败:', responseData)
-						// 使用本地默认分类
-						this.loadDefaultNoIsbnCategory()
-					}
-				},
-				fail: (err) => {
-					console.error('获取分类数据异常:', err)
-					this.loadDefaultNoIsbnCategory()
-				},
-				complete: () => {
-					this.noIsbnCategoryLoading = false
+			try {
+				var list = await searchCategories(bookName, {
+					phpsessid: this.kongfzToken || ''
+				})
+				this.noIsbnCategoryList = list
+				if (list.length > 0) {
+					this.noIsbnCategoryNames = list.map(function(item) { return item.showName })
+					this.noIsbnCategoryIndex = 0
+					this.onNoIsbnCategorySelect(0)
+				} else {
+					this.noIsbnCategoryNames = ['未获取到分类']
+					this.noIsbnCategoryIndex = 0
+					this.noIsbnSelectedCategoryValue = ''
 				}
-			})
+			} catch (e) {
+				console.error('获取孔网分类失败:', e)
+				this.noIsbnCategoryNames = ['获取分类失败']
+				this.noIsbnCategoryIndex = 0
+			} finally {
+				this.noIsbnCategoryLoading = false
+			}
 		},
 
-		loadDefaultNoIsbnCategory() {
-			const defaultCategories = [
-				{ name: '文学', id: '1', level: 1, children: [{ name: '中国文学', id: '11', level: 2, children: [] }] },
-				{ name: '艺术', id: '2', level: 1, children: [] },
-				{ name: '历史', id: '3', level: 1, children: [] },
-				{ name: '哲学', id: '4', level: 1, children: [] },
-				{ name: '科学', id: '5', level: 1, children: [] },
-				{ name: '技术', id: '6', level: 1, children: [] },
-				{ name: '教育', id: '7', level: 1, children: [] },
-				{ name: '经济', id: '8', level: 1, children: [] },
-				{ name: '政治', id: '9', level: 1, children: [] },
-				{ name: '军事', id: '10', level: 1, children: [] },
-				{ name: '法律', id: '11', level: 1, children: [] },
-				{ name: '社会', id: '12', level: 1, children: [] },
-				{ name: '文化', id: '13', level: 1, children: [] },
-				{ name: '语言', id: '14', level: 1, children: [] },
-				{ name: '工具书', id: '15', level: 1, children: [] },
-				{ name: '其他', id: '16', level: 1, children: [] }
-			]
-			this.noIsbnCategoryData = defaultCategories
-			this.initNoIsbnCategoryPicker()
+		// 选择分类
+		onNoIsbnCategoryChange(e) {
+			var index = e.detail.value
+			this.onNoIsbnCategorySelect(index)
 		},
 
-		initNoIsbnCategoryPicker() {
-			this.noIsbnCategoryColumns = []
-			this.noIsbnCategoryLevels = []
-			this.noIsbnCategoryIndexes = []
-			const level1Categories = (this.noIsbnCategoryData || []).filter(item => item.level === 1)
-			if (level1Categories.length === 0) return
-			this.noIsbnCategoryColumns[0] = level1Categories
-			this.noIsbnCategoryIndexes[0] = 0
-			let currentParent = level1Categories[0]
-			let currentLevel = 1
-			this.noIsbnCategoryLevels[0] = currentParent
-			while (currentLevel < this.noIsbnMaxCategoryLevel) {
-				const children = currentParent.children || []
-				if (children.length === 0) break
-				this.noIsbnCategoryColumns[currentLevel] = children
-				this.noIsbnCategoryIndexes[currentLevel] = 0
-				this.noIsbnCategoryLevels[currentLevel] = children[0]
-				currentParent = children[0]
-				currentLevel++
-			}
-			while (this.noIsbnCategoryColumns.length < this.noIsbnMaxCategoryLevel) {
-				this.noIsbnCategoryColumns.push([{ name: '暂无数据', id: '' }])
-				this.noIsbnCategoryIndexes.push(0)
-				this.noIsbnCategoryLevels.push({ name: '暂无数据', id: '' })
-			}
-			this.updateNoIsbnCategoryPathText()
-			this.updateNoIsbnSelectedCategoryId()
+		onNoIsbnCategorySelect(index) {
+			this.noIsbnCategoryIndex = index
+			var item = this.noIsbnCategoryList[index]
+			this.noIsbnSelectedCategoryValue = item ? item.value : ''
 		},
 
 		// 印刷时间 - 列变化
diff --git a/utils/kongfz.js b/utils/kongfz.js
index 152ebeb..9df1283 100644
--- a/utils/kongfz.js
+++ b/utils/kongfz.js
@@ -254,9 +254,64 @@ export function searchProducts(keyword, options = {}) {
 	})
 }
 
+/**
+ * 获取孔网图书分类（根据书名搜索孔网 facet 接口）
+ * @param {string} keyword 书名
+ * @param {object} options { phpsessid, userArea }
+ * @returns {Promise<Array<{value:string, showName:string}>>} 图书分类列表（normal组）
+ */
+export function searchCategories(keyword, options = {}) {
+	const { phpsessid = '', userArea = '1006000000' } = options
+	return new Promise((resolve) => {
+		if (!keyword || !keyword.trim()) {
+			resolve([])
+			return
+		}
+		uni.request({
+			url: 'https://search.kongfz.com/pc-gw/search-web/client/pc/product/keyword/normal/facet',
+			method: 'GET',
+			data: {
+				dataType: 0,
+				keyword: keyword.trim(),
+				page: 1,
+				userArea: userArea
+			},
+			header: {
+				'Cookie': phpsessid ? `PHPSESSID=${phpsessid}` : ''
+			},
+			success: (res) => {
+				if (res.statusCode === 200 && res.data && res.data.status === 1 && res.data.data) {
+					var categories = res.data.data.categories || []
+					// 找到 normal 组（图书分类）
+					var normalGroup = null
+					for (var i = 0; i < categories.length; i++) {
+						if (categories[i].type === 'GROUP' && categories[i].name === 'normal') {
+							normalGroup = categories[i]
+							break
+						}
+					}
+					if (normalGroup && normalGroup.subLabels) {
+						resolve(normalGroup.subLabels.map(function(item) {
+							return { value: item.value, showName: item.showName }
+						}))
+					} else {
+						resolve([])
+					}
+				} else {
+					resolve([])
+				}
+			},
+			fail: () => {
+				resolve([])
+			}
+		})
+	})
+}
+
 export default {
 	login,
 	searchFacet,
 	fetchItems,
-	searchProducts
+	searchProducts,
+	searchCategories
 }