diff --git a/reading-platform-frontend/src/api/admin.ts b/reading-platform-frontend/src/api/admin.ts
index 35341c6..eb6f8e8 100644
--- a/reading-platform-frontend/src/api/admin.ts
+++ b/reading-platform-frontend/src/api/admin.ts
@@ -229,11 +229,24 @@ export const getTenants = (params: TenantQueryParams) =>
 export const getTenant = (id: number) =>
   http.get<TenantDetail>(`/v1/admin/tenants/${id}`);
 
-export const createTenant = (data: CreateTenantDto) =>
-  http.post<Tenant & { tempPassword: string }>('/v1/admin/tenants', data);
+export const createTenant = (data: CreateTenantDto) => {
+  // 映射前端字段到后端 API：loginAccount -> code, contactPerson -> contactName
+  const payload = {
+    ...data,
+    code: data.loginAccount,
+    contactName: data.contactPerson,
+  };
+  delete (payload as Record<string, unknown>).loginAccount;
+  delete (payload as Record<string, unknown>).contactPerson;
+  return http.post<Tenant & { tempPassword: string }>('/v1/admin/tenants', payload);
+};
 
-export const updateTenant = (id: number, data: UpdateTenantDto) =>
-  http.put<Tenant>(`/v1/admin/tenants/${id}`, data);
+export const updateTenant = (id: number, data: UpdateTenantDto) => {
+  // 映射前端字段到后端 API：contactPerson -> contactName
+  const payload = { ...data, contactName: data.contactPerson };
+  delete (payload as Record<string, unknown>).contactPerson;
+  return http.put<Tenant>(`/v1/admin/tenants/${id}`, payload);
+};
 
 export const updateTenantQuota = (id: number, data: UpdateTenantQuotaDto) =>
   http.put<Tenant>(`/v1/admin/tenants/${id}/quota`, data);
diff --git a/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue b/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue
index 66ab940..5024833 100644
--- a/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue
+++ b/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue
@@ -5,33 +5,18 @@
       <!-- 搜索表单 -->
       <a-form layout="inline" :model="searchForm" style="margin-bottom: 16px">
         <a-form-item label="关键词">
-          <a-input
-            v-model:value="searchForm.keyword"
-            placeholder="学校名称/账号/联系人"
-            allow-clear
-            style="width: 200px"
-            @pressEnter="handleSearch"
-          />
+          <a-input v-model:value="searchForm.keyword" placeholder="学校名称/账号/联系人" allow-clear style="width: 200px"
+            @pressEnter="handleSearch" />
         </a-form-item>
         <a-form-item label="状态">
-          <a-select
-            v-model:value="searchForm.status"
-            placeholder="全部状态"
-            allow-clear
-            style="width: 120px"
-          >
+          <a-select v-model:value="searchForm.status" placeholder="全部状态" allow-clear style="width: 120px">
             <a-select-option value="ACTIVE">生效中</a-select-option>
             <a-select-option value="EXPIRED">已过期</a-select-option>
             <a-select-option value="SUSPENDED">已暂停</a-select-option>
           </a-select>
         </a-form-item>
         <a-form-item label="套餐">
-          <a-select
-            v-model:value="searchForm.packageType"
-            placeholder="全部套餐"
-            allow-clear
-            style="width: 120px"
-          >
+          <a-select v-model:value="searchForm.packageType" placeholder="全部套餐" allow-clear style="width: 120px">
             <a-select-option value="BASIC">基础版</a-select-option>
             <a-select-option value="STANDARD">标准版</a-select-option>
             <a-select-option value="ADVANCED">高级版</a-select-option>
@@ -41,7 +26,9 @@
         <a-form-item>
           <a-space>
             <a-button type="primary" @click="handleSearch">
-              <template #icon><SearchOutlined /></template>
+              <template #icon>
+                <SearchOutlined />
+              </template>
               搜索
             </a-button>
             <a-button @click="handleReset">重置</a-button>
@@ -49,20 +36,17 @@
         </a-form-item>
         <a-form-item style="float: right">
           <a-button type="primary" @click="showAddModal">
-            <template #icon><PlusOutlined /></template>
+            <template #icon>
+              <PlusOutlined />
+            </template>
             添加租户
           </a-button>
         </a-form-item>
       </a-form>
 
       <!-- 数据表格 -->
-      <a-table
-        :columns="columns"
-        :data-source="tenants"
-        :loading="loading"
-        :pagination="pagination"
-        @change="handleTableChange"
-      >
+      <a-table :columns="columns" :data-source="tenants" :loading="loading" :pagination="pagination"
+        @change="handleTableChange">
         <template #bodyCell="{ column, record }: any">
           <template v-if="column.key === 'name'">
             <a-button type="link" @click="handleViewDetail(record)">
@@ -87,16 +71,14 @@
             </div>
           </template>
           <template v-else-if="column.key === 'status'">
-            <a-badge
-              :status="getStatusType(record.status)"
-              :text="getStatusText(record.status)"
-            />
+            <a-badge :status="getStatusType(record.status)" :text="getStatusText(record.status)" />
           </template>
           <template v-else-if="column.key === 'action'">
             <a-space>
               <a-dropdown>
                 <a-button type="link" size="small">
-                  操作 <DownOutlined />
+                  操作
+                  <DownOutlined />
                 </a-button>
                 <template #overlay>
                   <a-menu>
@@ -106,16 +88,10 @@
                     <a-menu-item @click="handleQuota(record)">调整配额</a-menu-item>
                     <a-menu-item @click="handleResetPassword(record)">重置密码</a-menu-item>
                     <a-menu-divider />
-                    <a-menu-item
-                      v-if="record.status === 'ACTIVE'"
-                      @click="handleUpdateStatus(record, 'SUSPENDED')"
-                    >
+                    <a-menu-item v-if="record.status === 'ACTIVE'" @click="handleUpdateStatus(record, 'SUSPENDED')">
                       暂停服务
                     </a-menu-item>
-                    <a-menu-item
-                      v-if="record.status === 'SUSPENDED'"
-                      @click="handleUpdateStatus(record, 'ACTIVE')"
-                    >
+                    <a-menu-item v-if="record.status === 'SUSPENDED'" @click="handleUpdateStatus(record, 'ACTIVE')">
                       恢复服务
                     </a-menu-item>
                     <a-menu-item danger @click="handleDelete(record)">删除</a-menu-item>
@@ -129,36 +105,17 @@
     </a-card>
 
     <!-- 添加/编辑租户弹窗 -->
-    <a-modal
-      v-model:open="modalVisible"
-      :title="isEdit ? '编辑租户' : '添加租户'"
-      :confirm-loading="modalLoading"
-      width="600px"
-      @ok="handleModalOk"
-      @cancel="handleModalCancel"
-    >
-      <a-form
-        ref="formRef"
-        :model="formData"
-        :rules="formRules"
-        :label-col="{ span: 6 }"
-        :wrapper-col="{ span: 16 }"
-      >
+    <a-modal v-model:open="modalVisible" :title="isEdit ? '编辑租户' : '添加租户'" :confirm-loading="modalLoading" width="600px"
+      @ok="handleModalOk" @cancel="handleModalCancel">
+      <a-form ref="formRef" :model="formData" :rules="formRules" :label-col="{ span: 6 }" :wrapper-col="{ span: 16 }">
         <a-form-item label="学校名称" name="name">
           <a-input v-model:value="formData.name" placeholder="请输入学校名称" />
         </a-form-item>
         <a-form-item v-if="!isEdit" label="登录账号" name="loginAccount">
-          <a-input
-            v-model:value="formData.loginAccount"
-            placeholder="字母开头，4-20位"
-            :disabled="isEdit"
-          />
+          <a-input v-model:value="formData.loginAccount" placeholder="字母开头，4-20位" :disabled="isEdit" />
         </a-form-item>
         <a-form-item v-if="!isEdit" label="初始密码" name="password">
-          <a-input-password
-            v-model:value="formData.password"
-            placeholder="留空则默认为 123456"
-          />
+          <a-input-password v-model:value="formData.password" placeholder="留空则默认为 123456" />
         </a-form-item>
         <a-form-item label="联系人" name="contactPerson">
           <a-input v-model:value="formData.contactPerson" placeholder="请输入联系人姓名" />
@@ -166,54 +123,32 @@
         <a-form-item label="联系电话" name="contactPhone">
           <a-input v-model:value="formData.contactPhone" placeholder="请输入联系电话" />
         </a-form-item>
-        <a-form-item label="学校地址" name="address">
-          <a-input v-model:value="formData.address" placeholder="请输入学校地址" />
+        <a-form-item label="学习地址" name="address">
+          <a-input v-model:value="formData.address" placeholder="请输入学习地址" />
         </a-form-item>
         <a-form-item label="套餐类型" name="packageType">
           <a-select v-model:value="formData.packageType" @change="handlePackageTypeChange">
             <a-select-option value="">请选择套餐</a-select-option>
-            <a-select-option
-              v-for="pkg in packageList"
-              :key="pkg.id"
-              :value="pkg.name"
-            >
+            <a-select-option v-for="pkg in packageList" :key="pkg.id" :value="pkg.name">
               {{ pkg.name }} ({{ formatPackagePrice(pkg.discountPrice || pkg.price) }}元)
             </a-select-option>
           </a-select>
         </a-form-item>
         <a-form-item label="教师配额" name="teacherQuota">
-          <a-input-number
-            v-model:value="formData.teacherQuota"
-            :min="1"
-            :max="1000"
-            style="width: 100%"
-          />
+          <a-input-number v-model:value="formData.teacherQuota" :min="1" :max="1000" style="width: 100%" />
         </a-form-item>
         <a-form-item label="学生配额" name="studentQuota">
-          <a-input-number
-            v-model:value="formData.studentQuota"
-            :min="1"
-            :max="10000"
-            style="width: 100%"
-          />
+          <a-input-number v-model:value="formData.studentQuota" :min="1" :max="10000" style="width: 100%" />
         </a-form-item>
         <a-form-item label="有效期" name="dateRange">
-          <a-range-picker
-            v-model:value="dateRange"
-            style="width: 100%"
-            value-format="YYYY-MM-DD"
-          />
+          <a-range-picker v-model:value="formData.dateRange" style="width: 100%" value-format="YYYY-MM-DD"
+            :disabled-date="disabledPastDate" />
         </a-form-item>
       </a-form>
     </a-modal>
 
     <!-- 配额调整弹窗 -->
-    <a-modal
-      v-model:open="quotaModalVisible"
-      title="调整配额"
-      :confirm-loading="quotaModalLoading"
-      @ok="handleQuotaOk"
-    >
+    <a-modal v-model:open="quotaModalVisible" title="调整配额" :confirm-loading="quotaModalLoading" @ok="handleQuotaOk">
       <a-form :label-col="{ span: 6 }" :wrapper-col="{ span: 16 }">
         <a-form-item label="当前租户">
           <span>{{ currentTenant?.name }}</span>
@@ -227,23 +162,15 @@
           </a-select>
         </a-form-item>
         <a-form-item label="教师配额">
-          <a-input-number
-            v-model:value="quotaForm.teacherQuota"
-            :min="currentTenant?.teacherCount || 1"
-            :max="1000"
-            style="width: 100%"
-          />
+          <a-input-number v-model:value="quotaForm.teacherQuota" :min="currentTenant?.teacherCount || 1" :max="1000"
+            style="width: 100%" />
           <div style="color: #999; font-size: 12px">
             已使用: {{ currentTenant?.teacherCount || 0 }}
           </div>
         </a-form-item>
         <a-form-item label="学生配额">
-          <a-input-number
-            v-model:value="quotaForm.studentQuota"
-            :min="currentTenant?.studentCount || 1"
-            :max="10000"
-            style="width: 100%"
-          />
+          <a-input-number v-model:value="quotaForm.studentQuota" :min="currentTenant?.studentCount || 1" :max="10000"
+            style="width: 100%" />
           <div style="color: #999; font-size: 12px">
             已使用: {{ currentTenant?.studentCount || 0 }}
           </div>
@@ -252,12 +179,7 @@
     </a-modal>
 
     <!-- 详情抽屉 -->
-    <a-drawer
-      v-model:open="drawerVisible"
-      title="租户详情"
-      width="600"
-      :destroy-on-close="true"
-    >
+    <a-drawer v-model:open="drawerVisible" title="租户详情" width="600" :destroy-on-close="true">
       <template v-if="detailData">
         <a-descriptions :column="2" bordered size="small">
           <a-descriptions-item label="学校名称" :span="2">
@@ -267,10 +189,7 @@
             {{ detailData.loginAccount }}
           </a-descriptions-item>
           <a-descriptions-item label="状态">
-            <a-badge
-              :status="getStatusType(detailData.status)"
-              :text="getStatusText(detailData.status)"
-            />
+            <a-badge :status="getStatusType(detailData.status)" :text="getStatusText(detailData.status)" />
           </a-descriptions-item>
           <a-descriptions-item label="联系人">
             {{ detailData.contactPerson || '-' }}
@@ -278,7 +197,7 @@
           <a-descriptions-item label="联系电话">
             {{ detailData.contactPhone || '-' }}
           </a-descriptions-item>
-          <a-descriptions-item label="学校地址" :span="2">
+          <a-descriptions-item label="学习地址" :span="2">
             {{ detailData.address || '-' }}
           </a-descriptions-item>
           <a-descriptions-item label="套餐类型">
@@ -309,23 +228,13 @@
         </a-row>
 
         <a-divider>最近教师</a-divider>
-        <a-table
-          v-if="detailData.teachers && detailData.teachers.length > 0"
-          :columns="teacherColumns"
-          :data-source="detailData.teachers"
-          :pagination="false"
-          size="small"
-        />
+        <a-table v-if="detailData.teachers && detailData.teachers.length > 0" :columns="teacherColumns"
+          :data-source="detailData.teachers" :pagination="false" size="small" />
         <a-empty v-else description="暂无教师数据" />
 
         <a-divider>最近学生</a-divider>
-        <a-table
-          v-if="detailData.students && detailData.students.length > 0"
-          :columns="studentColumns"
-          :data-source="detailData.students"
-          :pagination="false"
-          size="small"
-        />
+        <a-table v-if="detailData.students && detailData.students.length > 0" :columns="studentColumns"
+          :data-source="detailData.students" :pagination="false" size="small" />
         <a-empty v-else description="暂无学生数据" />
       </template>
       <a-skeleton v-else active />
@@ -411,9 +320,8 @@ const modalLoading = ref(false);
 const isEdit = ref(false);
 const formRef = ref<FormInstance>();
 const editingId = ref<number | null>(null);
-const dateRange = ref<[string, string] | undefined>(undefined);
 
-const formData = reactive<CreateTenantDto & { dateRange?: string[] }>({
+const formData = reactive<CreateTenantDto & { dateRange?: [string, string] }>({
   name: '',
   loginAccount: '',
   password: '',
@@ -426,6 +334,7 @@ const formData = reactive<CreateTenantDto & { dateRange?: string[] }>({
   studentQuota: 200,
   startDate: '',
   expireDate: '',
+  dateRange: undefined,
 });
 
 const formRules = {
@@ -434,7 +343,30 @@ const formRules = {
     { required: true, message: '请输入登录账号' },
     { pattern: /^[a-zA-Z][a-zA-Z0-9_]{3,19}$/, message: '字母开头，4-20位字母数字或下划线' },
   ],
-  contactPhone: [{ pattern: /^1[3-9]\d{9}$/, message: '请输入正确的手机号' }],
+  contactPerson: [{ required: true, message: '请输入联系人' }],
+  contactPhone: [
+    { required: true, message: '请输入联系电话' },
+    {
+      validator: (_: unknown, value: string) => {
+        if (!value) return Promise.resolve();
+        return /^1[3-9]\d{9}$/.test(value) ? Promise.resolve() : Promise.reject(new Error('请输入正确的手机号'));
+      },
+      trigger: 'blur',
+    },
+  ],
+  address: [{ required: true, message: '请输入学习地址' }],
+  packageType: [{ required: true, message: '请选择套餐' }],
+  teacherQuota: [
+    { required: true, message: '请输入教师配额' },
+    { type: 'number' as const, min: 1, max: 1000, message: '教师配额需为 1-1000 的整数' },
+  ],
+  studentQuota: [
+    { required: true, message: '请输入学生配额' },
+    { type: 'number' as const, min: 1, max: 10000, message: '学生配额需为 1-10000 的整数' },
+  ],
+  dateRange: [
+    { required: true, message: '请选择有效期', type: 'array' as const, trigger: 'change' },
+  ],
 };
 
 // 配额弹窗
@@ -454,6 +386,11 @@ const detailData = ref<TenantDetail | null>(null);
 // 套餐列表
 const packageList = ref<CoursePackage[]>([]);
 
+// 禁用过去的日期（有效期不能选今天之前的日期）
+const disabledPastDate = (current: dayjs.Dayjs) => {
+  return current && current < dayjs().startOf('day');
+};
+
 // 格式化价格（分转为元）
 const formatPackagePrice = (priceInCents: number) => {
   return (priceInCents / 100).toFixed(2);
@@ -547,11 +484,11 @@ const showAddModal = () => {
     packageId: undefined,
     teacherQuota: 20,
     studentQuota: 200,
-  });
-  dateRange.value = [
+    dateRange: [
       dayjs().format('YYYY-MM-DD'),
       dayjs().add(1, 'year').format('YYYY-MM-DD'),
-    ] as [string, string];
+    ] as [string, string],
+  });
   modalVisible.value = true;
 };
 
@@ -567,8 +504,8 @@ const handleEdit = (record: Tenant) => {
     packageType: record.packageType,
     teacherQuota: record.teacherQuota,
     studentQuota: record.studentQuota,
+    dateRange: [record.startDate, record.expireDate] as [string, string],
   });
-  dateRange.value = [record.startDate, record.expireDate] as [string, string];
   modalVisible.value = true;
 };
 
@@ -582,7 +519,7 @@ const handleModalOk = async () => {
 
   modalLoading.value = true;
   try {
-    const [startDate, expireDate] = dateRange.value || [];
+    const [startDate, expireDate] = formData.dateRange || [];
     const data = {
       ...formData,
       startDate,
@@ -594,7 +531,7 @@ const handleModalOk = async () => {
       message.success('更新成功');
     } else {
       const res = await createTenant(data as CreateTenantDto);
-      message.success(`创建成功，初始密码: ${res.tempPassword}`);
+      message.success(`创建成功，初始密码: ${res.tempPassword || '123456'}`);
     }
     modalVisible.value = false;
     loadData();
diff --git a/reading-platform-java/src/main/java/com/reading/platform/dto/request/TenantCreateRequest.java b/reading-platform-java/src/main/java/com/reading/platform/dto/request/TenantCreateRequest.java
index 587819c..31cb45c 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/dto/request/TenantCreateRequest.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/dto/request/TenantCreateRequest.java
@@ -19,6 +19,9 @@ public class TenantCreateRequest {
     @Schema(description = "租户编码/登录账号")
     private String code;
 
+    @Schema(description = "初始密码（留空默认 123456）")
+    private String password;
+
     @Schema(description = "联系人")
     private String contactName;
 
diff --git a/reading-platform-java/src/main/java/com/reading/platform/service/impl/TenantServiceImpl.java b/reading-platform-java/src/main/java/com/reading/platform/service/impl/TenantServiceImpl.java
index 6dc6328..1356bd7 100644
--- a/reading-platform-java/src/main/java/com/reading/platform/service/impl/TenantServiceImpl.java
+++ b/reading-platform-java/src/main/java/com/reading/platform/service/impl/TenantServiceImpl.java
@@ -23,6 +23,7 @@ import com.reading.platform.service.CoursePackageService;
 import com.reading.platform.service.TenantService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
@@ -46,6 +47,7 @@ public class TenantServiceImpl extends com.baomidou.mybatisplus.extension.servic
     private final CourseCollectionMapper collectionMapper;
     private final TeacherMapper teacherMapper;
     private final StudentMapper studentMapper;
+    private final PasswordEncoder passwordEncoder;
 
     @Override
     @Transactional
@@ -84,6 +86,11 @@ public class TenantServiceImpl extends com.baomidou.mybatisplus.extension.servic
 
         tenant.setStatus("ACTIVE");
 
+        // 设置登录账号和密码（username 与 code 一致用于登录）
+        tenant.setUsername(request.getCode());
+        String rawPassword = StringUtils.hasText(request.getPassword()) ? request.getPassword() : "123456";
+        tenant.setPassword(passwordEncoder.encode(rawPassword));
+
         // 如果传入了 collectionId，查询课程套餐信息并填充相关字段
         if (request.getCollectionId() != null) {
             CourseCollection collection = collectionMapper.selectById(request.getCollectionId());