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diff --git a/web-vue/src/components/PasswordDialog.vue b/web-vue/src/components/PasswordDialog.vue
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+<template>
+  <el-dialog
+    v-model="visible"
+    title="修改密码"
+    width="500px"
+    :close-on-click-modal="false"
+  >
+    <el-form :model="form" :rules="rules" ref="formRef" label-position="right" label-width="80px">
+      <el-form-item label="原密码" prop="oldPassword">
+        <el-input v-model="form.oldPassword" type="password" placeholder="请输入原密码" show-password />
+      </el-form-item>
+      <el-form-item label="新密码" prop="newPassword">
+        <el-input v-model="form.newPassword" type="password" placeholder="请输入新密码" show-password />
+      </el-form-item>
+      <el-form-item label="确认密码" prop="confirmPassword">
+        <el-input v-model="form.confirmPassword" type="password" placeholder="请再次输入新密码" show-password />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button @click="visible = false">
+        <el-icon><Close /></el-icon>
+        <span style="margin-left: 4px">取消</span>
+      </el-button>
+      <el-button type="primary" @click="handleSubmit" :loading="saving">
+        <el-icon><Check /></el-icon>
+        <span style="margin-left: 4px">保存</span>
+      </el-button>
+    </template>
+  </el-dialog>
+</template>
+
+<script setup>
+import { computed, ref, reactive } from 'vue'
+import { ElMessage } from 'element-plus'
+import { Close, Check } from '@element-plus/icons-vue'
+import request from '@/api/request'
+
+const props = defineProps({ modelValue: Boolean })
+const emit = defineEmits(['update:modelValue'])
+
+const visible = computed({
+  get: () => props.modelValue,
+  set: (v) => emit('update:modelValue', v)
+})
+
+const formRef = ref(null)
+const saving = ref(false)
+
+const form = reactive({
+  oldPassword: '',
+  newPassword: '',
+  confirmPassword: ''
+})
+
+const validateConfirmPassword = (rule, value, callback) => {
+  if (value !== form.newPassword) {
+    callback(new Error('两次输入的密码不一致'))
+  } else {
+    callback()
+  }
+}
+
+const rules = {
+  oldPassword: [{ required: true, message: '请输入原密码', trigger: 'blur' }],
+  newPassword: [
+    { required: true, message: '请输入新密码', trigger: 'blur' },
+    { min: 6, message: '新密码长度不能少于6位', trigger: 'blur' }
+  ],
+  confirmPassword: [
+    { required: true, message: '请再次输入新密码', trigger: 'blur' },
+    { validator: validateConfirmPassword, trigger: 'blur' }
+  ]
+}
+
+const handleSubmit = async () => {
+  try {
+    await formRef.value.validate()
+  } catch {
+    return
+  }
+  
+  saving.value = true
+  try {
+    await request.put('/users/password', {
+      oldPassword: form.oldPassword,
+      newPassword: form.newPassword
+    })
+    ElMessage.success('密码修改成功')
+    visible.value = false
+    // 清空表单
+    form.oldPassword = ''
+    form.newPassword = ''
+    form.confirmPassword = ''
+  } catch (e) {
+    ElMessage.error(e.response?.data?.message || '密码修改失败')
+  } finally {
+    saving.value = false
+  }
+}
+</script>
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