diff --git a/.idea/claudeCodeTabState.xml b/.idea/claudeCodeTabState.xml
deleted file mode 100644
index ba4c915..0000000
--- a/.idea/claudeCodeTabState.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ClaudeCodeTabState">
-    <option name="tabCount" value="2" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/miniprogram/app.json b/miniprogram/app.json
index 3c5f1a2..db068c6 100644
--- a/miniprogram/app.json
+++ b/miniprogram/app.json
@@ -1,14 +1,14 @@
 {
   "pages": [
-    "pages/measurementReport/measurementReport",
+    "pages/addMember/addMember",
     "pages/home/home",
     "pages/login/login",
     "pages/connectedDevice/connectedDevice",
     "pages/connectedWifi/connectedWifi",
     "pages/supplementPersonal/supplementPersonal",
     "pages/equipmentMember/equipmentMember",
-    "pages/addMember/addMember",
     "pages/equipment/equipment",
+    "pages/measurementReport/measurementReport",
     "pages/data/data",
     "pages/my/my"
   ],
diff --git a/miniprogram/components/selectMemberDrawer/selectMemberDrawer.json b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.json
new file mode 100644
index 0000000..a89ef4d
--- /dev/null
+++ b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.json
@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "usingComponents": {}
+}
diff --git a/miniprogram/components/selectMemberDrawer/selectMemberDrawer.less b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.less
new file mode 100644
index 0000000..47242ce
--- /dev/null
+++ b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.less
@@ -0,0 +1,228 @@
+/* 遮罩层 */
+.drawer-mask {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background-color: rgba(37, 37, 53, 0.6);
+  z-index: 100;
+  opacity: 0;
+  transition: opacity 0.3s ease;
+
+  &--visible {
+    opacity: 1;
+  }
+}
+
+/* 抽屉面板 */
+.drawer-panel {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  /* 最大高度约 75% 屏幕 */
+  height: 85vh;
+  background-color: #FFFFFF;
+  border-radius: 24rpx 24rpx 0 0;
+  z-index: 101;
+  display: flex;
+  flex-direction: column;
+  transform: translateY(100%);
+  transition: transform 0.3s ease;
+
+  &--visible {
+    transform: translateY(0);
+  }
+}
+
+/* 拖拽把手 */
+.drawer-handle {
+  width: 72rpx;
+  height: 6rpx;
+  background-color: #77849E;
+  border-radius: 3rpx;
+  margin: 32rpx auto 40rpx;
+}
+
+/* 标题栏 */
+.drawer-header {
+  width: 100%;
+  height: 32rpx;
+  padding: 0 30rpx;
+  box-sizing: border-box;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+
+  .drawer-title {
+    color: #252535;
+	height: 32rpx;
+    font-size: 32rpx;
+    font-weight: 700;
+    line-height: 32rpx;
+  }
+
+  /* 关闭按钮 */
+  .drawer-close {
+    width: 32rpx;
+    height: 32rpx;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+    .drawer-close-icon {
+      width: 28rpx;
+      height: 28rpx;
+      position: relative;
+
+      &::before,
+      &::after {
+        content: '';
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        width: 100%;
+        height: 3rpx;
+        background-color: #252535;
+        border-radius: 2rpx;
+      }
+
+      &::before {
+        transform: translate(-50%, -50%) rotate(45deg);
+      }
+
+      &::after {
+        transform: translate(-50%, -50%) rotate(-45deg);
+      }
+    }
+  }
+}
+
+/* 顶部分隔线 */
+.drawer-divider {
+  width: 690rpx;
+  height: 2rpx;
+  background-color: #EAEDF1;
+  margin: 39rpx 30rpx 0;
+  flex-shrink: 0;
+}
+
+/* 成员滚动列表 */
+.drawer-list {
+  flex: 1;
+  overflow: hidden;
+  padding-bottom: env(safe-area-inset-bottom);
+}
+
+/* 成员行 */
+.member-item {
+  width: 100%;
+  height: 90rpx;
+  padding: 0 30rpx;
+  box-sizing: border-box;
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  margin-top: 24rpx;
+
+  /* 有图片头像 */
+  .member-avatar {
+    width: 90rpx;
+    height: 90rpx;
+    border-radius: 24rpx;
+    flex-shrink: 0;
+
+    &--selected {
+      border: 3rpx solid #50A6FF;
+    }
+  }
+
+  /* 纯色占位头像 */
+  .member-avatar-placeholder {
+    width: 90rpx;
+    height: 90rpx;
+    border-radius: 24rpx;
+    flex-shrink: 0;
+
+    /* 男：蓝色 */
+    &--male {
+      background-color: #C6E6FF;
+    }
+
+    /* 女：粉色 */
+    &--female {
+      background-color: #FFD5E3;
+    }
+
+    /* 选中男 */
+    &--selected-male {
+      border: 3rpx solid #50A6FF;
+      width: 96rpx;
+      height: 96rpx;
+      margin: -3rpx 0 0 -3rpx;
+    }
+
+    /* 选中女 */
+    &--selected-female {
+      border: 3rpx solid #FF8FB5;
+      width: 96rpx;
+      height: 96rpx;
+      margin: -3rpx 0 0 -3rpx;
+    }
+  }
+
+  /* 姓名 + 副标题 */
+  .member-info {
+    flex: 1;
+    height: 78rpx;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    margin-left: 23rpx;
+
+    .member-name {
+      color: #333333;
+      font-size: 32rpx;
+      font-weight: 500;
+      line-height: 32rpx;
+      white-space: nowrap;
+    }
+
+    .member-sub {
+      color: #77849E;
+      font-size: 26rpx;
+      line-height: 34rpx;
+      white-space: nowrap;
+    }
+  }
+
+  /* 竖向分隔线 */
+  .member-divider {
+    width: 2rpx;
+    height: 24rpx;
+    background-color: #EAEDF1;
+    border-radius: 1rpx;
+    margin-left: 17rpx;
+    flex-shrink: 0;
+  }
+
+  /* 身高 */
+  .member-height {
+    color: #77849E;
+    font-size: 26rpx;
+    line-height: 34rpx;
+    white-space: nowrap;
+    margin-left: 19rpx;
+    width: 76rpx;
+    flex-shrink: 0;
+  }
+}
+
+/* 行间水平分隔线 */
+.member-separator {
+  width: 690rpx;
+  height: 2rpx;
+  background-color: #EAEDF1;
+  margin: 24rpx 30rpx 0;
+}
diff --git a/miniprogram/components/selectMemberDrawer/selectMemberDrawer.ts b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.ts
new file mode 100644
index 0000000..1d3c6af
--- /dev/null
+++ b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.ts
@@ -0,0 +1,88 @@
+/** 成员数据项 */
+interface SelectMemberItem {
+  /** 唯一标识 */
+  id: string
+  /** 姓名 */
+  name: string
+  /** 性别 */
+  gender: '男' | '女'
+  /** 年龄 */
+  age: number
+  /** 身高(cm) */
+  height: number
+  /** 头像 URL，无则显示彩色占位圆 */
+  avatar?: string
+  /** 是否已选中 */
+  selected?: boolean
+}
+
+/**
+ * 选择已有成员抽屉组件
+ * Properties: show(控制显示), members(成员列表)
+ * Events: close(关闭), select(选中成员,携带 SelectMemberItem)
+ */
+Component({
+  properties: {
+    /** 是否显示抽屉 */
+    show: {
+      type: Boolean,
+      value: false
+    },
+    /** 成员列表 */
+    members: {
+      type: Array,
+      value: [] as SelectMemberItem[]
+    }
+  },
+
+  data: {
+    /** 控制 wx:if，DOM 是否存在 */
+    innerShow: false,
+    /** 控制 --visible 类，触发 CSS transition */
+    animVisible: false
+  },
+
+  observers: {
+    /**
+     * 监听外部 show 变化，错开两帧：
+     * 打开：先插入 DOM，下一帧加动画类
+     * 关闭：先移除动画类，等 transition 结束再移除 DOM
+     */
+    show(val: boolean) {
+      if (val) {
+        this.setData({ innerShow: true })
+        // 延迟一帧，让 DOM 先以初始状态渲染，再触发 transition
+        setTimeout(() => {
+          this.setData({ animVisible: true })
+        }, 20)
+      } else {
+        this.setData({ animVisible: false })
+        // 等 CSS transition 结束（0.3s）再移除 DOM
+        setTimeout(() => {
+          this.setData({ innerShow: false })
+        }, 300)
+      }
+    }
+  },
+
+  methods: {
+    /** 点击遮罩关闭 */
+    onTapMask() {
+      this.triggerEvent('close')
+    },
+
+    /** 点击关闭按钮 */
+    onTapClose() {
+      this.triggerEvent('close')
+    },
+
+    /**
+     * 点击成员行，触发 select 事件
+     * @param e 携带 data-member 的点击事件
+     */
+    onTapMember(e: WechatMiniprogram.TouchEvent) {
+      const member = e.currentTarget.dataset.member as SelectMemberItem
+      this.triggerEvent('select', member)
+    }
+  }
+})
diff --git a/miniprogram/components/selectMemberDrawer/selectMemberDrawer.wxml b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.wxml
new file mode 100644
index 0000000..de2307d
--- /dev/null
+++ b/miniprogram/components/selectMemberDrawer/selectMemberDrawer.wxml
@@ -0,0 +1,53 @@
+<!-- 选择已有成员抽屉 -->
+<block wx:if="{{ innerShow }}">
+  <!-- 遮罩 -->
+  <view class="drawer-mask {{ animVisible ? 'drawer-mask--visible' : '' }}" bind:tap="onTapMask"></view>
+
+  <!-- 抽屉面板 -->
+  <view class="drawer-panel {{ animVisible ? 'drawer-panel--visible' : '' }}">
+
+    <!-- 顶部拖拽把手 -->
+    <view class="drawer-handle"></view>
+
+    <!-- 标题栏 -->
+    <view class="drawer-header">
+      <text class="drawer-title">选择已有成员</text>
+      <view class="drawer-close" bind:tap="onTapClose">
+        <view class="drawer-close-icon"></view>
+      </view>
+    </view>
+
+    <!-- 分隔线 -->
+    <view class="drawer-divider"></view>
+
+    <!-- 成员列表 -->
+    <scroll-view class="drawer-list" scroll-y>
+      <block wx:for="{{ members }}" wx:key="id">
+        <view class="member-item" bind:tap="onTapMember" data-member="{{ item }}">
+          <!-- 头像 -->
+          <block wx:if="{{ item.avatar }}">
+            <image class="member-avatar {{ item.selected ? 'member-avatar--selected' : '' }}" src="{{ item.avatar }}" mode="aspectFill"></image>
+          </block>
+          <block wx:else>
+            <view class="member-avatar-placeholder {{ item.gender === '女' ? 'member-avatar-placeholder--female' : 'member-avatar-placeholder--male' }} {{ item.selected ? 'member-avatar-placeholder--selected-male' : '' }} {{ item.selected && item.gender === '女' ? 'member-avatar-placeholder--selected-female' : '' }}"></view>
+          </block>
+
+          <!-- 姓名 + 性别·年龄 -->
+          <view class="member-info">
+            <text class="member-name">{{ item.name }}</text>
+            <text class="member-sub">{{ item.gender }}·{{ item.age }}岁</text>
+          </view>
+
+          <!-- 竖向分隔线 -->
+          <view class="member-divider"></view>
+
+          <!-- 身高 -->
+          <text class="member-height">{{ item.height }}cm</text>
+        </view>
+
+        <!-- 水平分隔线 -->
+        <view class="member-separator"></view>
+      </block>
+    </scroll-view>
+  </view>
+</block>
diff --git a/miniprogram/pages/addMember/addMember.json b/miniprogram/pages/addMember/addMember.json
index df62241..a5b5e26 100644
--- a/miniprogram/pages/addMember/addMember.json
+++ b/miniprogram/pages/addMember/addMember.json
@@ -1,4 +1,6 @@
 {
   "navigationBarTitleText": "添加成员",
-  "usingComponents": {}
+  "usingComponents": {
+    "select-member-drawer": "/components/selectMemberDrawer/selectMemberDrawer"
+  }
 }
diff --git a/miniprogram/pages/addMember/addMember.ts b/miniprogram/pages/addMember/addMember.ts
index 66264a3..7de9830 100644
--- a/miniprogram/pages/addMember/addMember.ts
+++ b/miniprogram/pages/addMember/addMember.ts
@@ -20,6 +20,24 @@ interface IdCardParsed {
 	age: string
 }
 
+/** 已有成员数据项 */
+interface SelectMemberItem {
+	/** 唯一标识 */
+	id: string
+	/** 姓名 */
+	name: string
+	/** 性别 */
+	gender: '男' | '女'
+	/** 年龄 */
+	age: number
+	/** 身高(cm) */
+	height: number
+	/** 头像 URL，无则显示彩色占位圆 */
+	avatar?: string
+	/** 是否已选中 */
+	selected?: boolean
+}
+
 /**
  * 添加成员页
  * 收集姓名、身份证号、身高,并根据身份证自动解析性别与年龄
@@ -29,12 +47,24 @@ Page({
 	data: {
 		// 表单数据
 		form: {
-			name: '',     // 姓名
-			idCard: '',   // 身份证号
-			gender: '',   // 性别(由身份证解析,只读)
-			age: '',      // 年龄(由身份证解析,只读)
-			height: ''    // 身高(cm)
-		} as MemberForm
+			name: '',
+			idCard: '',
+			gender: '',
+			age: '',
+			height: ''
+		} as MemberForm,
+
+		// 抽屉显示状态
+		showSelectDrawer: false,
+
+		// TODO: 后续替换为接口数据
+		existingMembers: [
+			{ id: '1', name: '陈小飞', gender: '男', age: 32, height: 172, avatar: '' },
+			{ id: '2', name: '李镇南', gender: '男', age: 35, height: 185, avatar: '' },
+			{ id: '3', name: '张颖',   gender: '女', age: 35, height: 185, avatar: '' },
+			{ id: '4', name: '李镇南', gender: '男', age: 35, height: 185, avatar: '' },
+			{ id: '5', name: '赵雪',   gender: '女', age: 31, height: 165, avatar: '' }
+		] as SelectMemberItem[]
 	},
 
 	/**
@@ -116,10 +146,30 @@ Page({
 	},
 
 	/**
-	 * 从已有成员中选择(暂留空,后续接入选择浮层)
+	 * 从已有成员中选择 — 打开抽屉
 	 */
 	onTapSelectExisting() {
-		// TODO: 接入"从已有成员中选择"浮层/选择页
+		this.setData({ showSelectDrawer: true })
+	},
+
+	/** 关闭选择成员抽屉 */
+	onSelectMemberClose() {
+		this.setData({ showSelectDrawer: false })
+	},
+
+	/**
+	 * 选中成员后填充表单
+	 * @param e 携带 detail(SelectMemberItem) 的自定义事件
+	 */
+	onSelectMember(e: WechatMiniprogram.CustomEvent<SelectMemberItem>) {
+		const { name, gender, age, height } = e.detail
+		this.setData({
+			showSelectDrawer: false,
+			'form.name': name,
+			'form.gender': gender,
+			'form.age': String(age),
+			'form.height': String(height)
+		})
 	},
 
 	/**
diff --git a/miniprogram/pages/addMember/addMember.wxml b/miniprogram/pages/addMember/addMember.wxml
index 9131b21..85fb454 100644
--- a/miniprogram/pages/addMember/addMember.wxml
+++ b/miniprogram/pages/addMember/addMember.wxml
@@ -109,4 +109,12 @@
 		<view class="btn-cancel" bind:tap="onCancel">取消</view>
 		<view class="btn-primary" bind:tap="onSubmit">保存成员信息</view>
 	</view>
+
+	<!-- 选择已有成员抽屉 -->
+	<select-member-drawer
+		show="{{ showSelectDrawer }}"
+		members="{{ existingMembers }}"
+		bind:close="onSelectMemberClose"
+		bind:select="onSelectMember">
+	</select-member-drawer>
 </view>