diff --git a/pages/pets/pet-detail.vue b/pages/pets/pet-detail.vue
index 3e7ae00..6d672a5 100644
--- a/pages/pets/pet-detail.vue
+++ b/pages/pets/pet-detail.vue
@@ -194,6 +194,20 @@ export default {
 					title: '洗澡护理',
 					date: '2024-01-17',
 					content: '给小橘洗了澡，全程很乖没有挣扎，现在毛毛很香'
+				},
+				{
+					id: 4,
+					type: 'weight',
+					title: '体重记录',
+					date: '2024-01-15',
+					content: '体重4.1kg，保持稳定增长趋势'
+				},
+				{
+					id: 5,
+					type: 'food',
+					title: '饮食记录',
+					date: '2024-01-14',
+					content: '今天食欲很好，吃完了所有的猫粮'
 				}
 			],
 			layout1Items: [
diff --git a/pages/pets/pet-weight.vue b/pages/pets/pet-weight.vue
index c435872..4828aea 100644
--- a/pages/pets/pet-weight.vue
+++ b/pages/pets/pet-weight.vue
@@ -200,6 +200,7 @@ export default {
 		this.petId = options.petId || ''
 		this.petName = options.petName || '宠物'
 		this.loadPetInfo()
+		this.initializeTestDataIfNeeded()
 		this.loadWeightData()
 		this.generateChartData()
 	},
@@ -220,6 +221,12 @@ export default {
 			}
 		},
 
+		initializeTestDataIfNeeded() {
+			// 检查是否已有体重数据，如果没有则初始化测试数据
+			const records = weightManager.getWeightRecords(this.petId)
+			console.log(`宠物 ${this.petId} 的体重记录数量:`, records.length)
+		},
+
 		loadWeightData() {
 			// 获取当前体重
 			this.currentWeight = weightManager.getCurrentWeight(this.petId) || 4.2
diff --git a/utils/weightManager.js b/utils/weightManager.js
index 1d3dabc..8d1c685 100644
--- a/utils/weightManager.js
+++ b/utils/weightManager.js
@@ -16,13 +16,56 @@ class WeightManager {
 	getWeightRecords(petId) {
 		try {
 			const allRecords = uni.getStorageSync(this.storageKey) || {}
-			return allRecords[petId] || []
+			let records = allRecords[petId] || []
+
+			// 如果没有数据，初始化一些测试数据
+			if (records.length === 0) {
+				records = this.initializeTestData(petId)
+				allRecords[petId] = records
+				uni.setStorageSync(this.storageKey, allRecords)
+			}
+
+			return records
 		} catch (error) {
 			console.error('获取体重记录失败:', error)
-			return []
+			return this.initializeTestData(petId)
 		}
 	}
 
+	/**
+	 * 初始化测试数据
+	 * @param {string} petId 宠物ID
+	 * @returns {Array} 测试数据数组
+	 */
+	initializeTestData(petId) {
+		const now = new Date()
+		const testData = []
+
+		// 生成过去3个月的体重数据，模拟真实的体重变化
+		const baseWeight = 3.8 // 基础体重
+		const growthRate = 0.015 // 每周增长率
+
+		for (let i = 90; i >= 0; i -= 3) { // 每3天一个记录点
+			const date = new Date(now.getTime() - i * 24 * 60 * 60 * 1000)
+			const weeksPassed = (90 - i) / 7
+
+			// 模拟自然的体重增长，加入一些随机波动
+			let weight = baseWeight + (weeksPassed * growthRate * baseWeight)
+			weight += (Math.random() - 0.5) * 0.1 // 添加±0.05kg的随机波动
+			weight = Math.round(weight * 10) / 10 // 保留一位小数
+
+			testData.push({
+				id: Date.now() + i,
+				weight: weight,
+				date: date.toISOString(),
+				note: i === 0 ? '最新记录' : '自动生成',
+				timestamp: date.getTime()
+			})
+		}
+
+		return testData
+	}
+
 	/**
 	 * 添加体重记录
 	 * @param {string} petId 宠物ID
@@ -170,46 +213,64 @@ class WeightManager {
 	generateMockData(timeRange) {
 		const now = new Date()
 		const mockData = []
+		const currentWeight = 4.2
 
 		switch (timeRange) {
 			case 'week':
+				// 近一周数据：每天一个点
 				for (let i = 6; i >= 0; i--) {
 					const date = new Date(now.getTime() - i * 24 * 60 * 60 * 1000)
+					const weight = currentWeight - (i * 0.02) + (Math.random() - 0.5) * 0.05
 					mockData.push({
-						weight: 4.0 + Math.random() * 0.4,
+						weight: Math.round(weight * 10) / 10,
 						date: date.toISOString()
 					})
 				}
 				break
 			case 'month':
+				// 近一月数据：每周一个点
 				for (let i = 4; i >= 0; i--) {
 					const date = new Date(now.getTime() - i * 7 * 24 * 60 * 60 * 1000)
+					const weight = currentWeight - (i * 0.08) + (Math.random() - 0.5) * 0.1
 					mockData.push({
-						weight: 3.9 + i * 0.075,
+						weight: Math.round(weight * 10) / 10,
 						date: date.toISOString()
 					})
 				}
 				break
 			case 'year':
+				// 近一年数据：每两个月一个点
 				for (let i = 5; i >= 0; i--) {
 					const date = new Date(now.getTime() - i * 60 * 24 * 60 * 60 * 1000)
+					const weight = currentWeight - (i * 0.2) + (Math.random() - 0.5) * 0.15
 					mockData.push({
-						weight: 3.2 + (5 - i) * 0.2,
+						weight: Math.round(weight * 10) / 10,
 						date: date.toISOString()
 					})
 				}
 				break
 			default:
-				for (let i = 6; i >= 0; i--) {
-					const date = new Date(now.getTime() - i * 90 * 24 * 60 * 60 * 1000)
+				// 全部历史：从小猫到现在
+				const milestones = [
+					{ months: 18, weight: 1.2 },
+					{ months: 15, weight: 1.8 },
+					{ months: 12, weight: 2.5 },
+					{ months: 9, weight: 3.0 },
+					{ months: 6, weight: 3.4 },
+					{ months: 3, weight: 3.8 },
+					{ months: 0, weight: 4.2 }
+				]
+
+				milestones.forEach(milestone => {
+					const date = new Date(now.getTime() - milestone.months * 30 * 24 * 60 * 60 * 1000)
 					mockData.push({
-						weight: 1.2 + (6 - i) * 0.5,
+						weight: milestone.weight,
 						date: date.toISOString()
 					})
-				}
+				})
 		}
 
-		return mockData
+		return mockData.sort((a, b) => new Date(a.date) - new Date(b.date))
 	}
 
 	/**