diff --git a/backend/services/mining-admin-service/src/api/controllers/users.controller.ts b/backend/services/mining-admin-service/src/api/controllers/users.controller.ts
index c8017d3a..07cb0182 100644
--- a/backend/services/mining-admin-service/src/api/controllers/users.controller.ts
+++ b/backend/services/mining-admin-service/src/api/controllers/users.controller.ts
@@ -102,4 +102,43 @@ export class UsersController {
       status,
     });
   }
+
+  @Get(':accountSequence/referral-tree')
+  @ApiOperation({ summary: '获取用户引荐关系树' })
+  @ApiParam({ name: 'accountSequence', type: String })
+  @ApiQuery({ name: 'direction', required: false, type: String, description: 'up, down, both' })
+  @ApiQuery({ name: 'depth', required: false, type: Number })
+  async getReferralTree(
+    @Param('accountSequence') accountSequence: string,
+    @Query('direction') direction?: string,
+    @Query('depth') depth?: number,
+  ) {
+    return this.usersService.getReferralTree(accountSequence, direction || 'both', depth || 1);
+  }
+
+  @Get(':accountSequence/planting-ledger')
+  @ApiOperation({ summary: '获取用户认种分类账' })
+  @ApiParam({ name: 'accountSequence', type: String })
+  @ApiQuery({ name: 'page', required: false, type: Number })
+  @ApiQuery({ name: 'pageSize', required: false, type: Number })
+  async getPlantingLedger(
+    @Param('accountSequence') accountSequence: string,
+    @Query('page') page?: number,
+    @Query('pageSize') pageSize?: number,
+  ) {
+    return this.usersService.getPlantingLedger(accountSequence, page ?? 1, pageSize ?? 20);
+  }
+
+  @Get(':accountSequence/wallet-ledger')
+  @ApiOperation({ summary: '获取用户钱包流水' })
+  @ApiParam({ name: 'accountSequence', type: String })
+  @ApiQuery({ name: 'page', required: false, type: Number })
+  @ApiQuery({ name: 'pageSize', required: false, type: Number })
+  async getWalletLedger(
+    @Param('accountSequence') accountSequence: string,
+    @Query('page') page?: number,
+    @Query('pageSize') pageSize?: number,
+  ) {
+    return this.usersService.getWalletLedger(accountSequence, page ?? 1, pageSize ?? 20);
+  }
 }
diff --git a/backend/services/mining-admin-service/src/application/services/users.service.ts b/backend/services/mining-admin-service/src/application/services/users.service.ts
index 34dafad3..15411dfc 100644
--- a/backend/services/mining-admin-service/src/application/services/users.service.ts
+++ b/backend/services/mining-admin-service/src/application/services/users.service.ts
@@ -252,6 +252,99 @@ export class UsersService {
     };
   }
 
+  /**
+   * 获取用户引荐关系树
+   * TODO: 从 identity-service 同步推荐关系数据
+   */
+  async getReferralTree(accountSequence: string, direction: string, depth: number) {
+    const user = await this.prisma.syncedUser.findUnique({
+      where: { accountSequence },
+      include: { contributionAccount: true },
+    });
+
+    if (!user) {
+      throw new NotFoundException(`用户 ${accountSequence} 不存在`);
+    }
+
+    // 返回基础结构，数据需要从 identity-service 同步
+    return {
+      currentUser: {
+        accountSequence: user.accountSequence,
+        nickname: user.realName || null,
+        avatar: null,
+        personalAdoptions: 0,
+        teamAdoptions: 0,
+        directReferralCount: user.contributionAccount?.directReferralCount || 0,
+      },
+      ancestors: [],
+      directReferrals: [],
+      note: '推荐关系数据需要从 identity-service 同步',
+    };
+  }
+
+  /**
+   * 获取用户认种分类账
+   * TODO: 从 adoption-service 同步认种数据
+   */
+  async getPlantingLedger(accountSequence: string, page: number, pageSize: number) {
+    const user = await this.prisma.syncedUser.findUnique({
+      where: { accountSequence },
+    });
+
+    if (!user) {
+      throw new NotFoundException(`用户 ${accountSequence} 不存在`);
+    }
+
+    // 返回空数据，数据需要从 adoption-service 同步
+    return {
+      summary: {
+        totalOrders: 0,
+        totalTreeCount: 0,
+        totalAmount: '0',
+        effectiveTreeCount: 0,
+        firstPlantingAt: null,
+        lastPlantingAt: null,
+      },
+      items: [],
+      total: 0,
+      page,
+      pageSize,
+      totalPages: 0,
+      note: '认种数据需要从 adoption-service 同步',
+    };
+  }
+
+  /**
+   * 获取用户钱包流水
+   * TODO: 从 mining-service 同步钱包流水数据
+   */
+  async getWalletLedger(accountSequence: string, page: number, pageSize: number) {
+    const user = await this.prisma.syncedUser.findUnique({
+      where: { accountSequence },
+      include: { miningAccount: true },
+    });
+
+    if (!user) {
+      throw new NotFoundException(`用户 ${accountSequence} 不存在`);
+    }
+
+    const mining = user.miningAccount;
+
+    return {
+      summary: {
+        availableBalance: mining?.availableBalance?.toString() || '0',
+        frozenBalance: mining?.frozenBalance?.toString() || '0',
+        totalMined: mining?.totalMined?.toString() || '0',
+      },
+      items: [],
+      total: 0,
+      page,
+      pageSize,
+      totalPages: 0,
+      note: '钱包流水数据需要从 mining-service 同步',
+    };
+  }
+
   // ===========================================================================
   // 辅助方法
   // ===========================================================================
diff --git a/frontend/mining-admin-web/src/features/users/components/referral-tree.tsx b/frontend/mining-admin-web/src/features/users/components/referral-tree.tsx
index 207f4ddc..c3a3d817 100644
--- a/frontend/mining-admin-web/src/features/users/components/referral-tree.tsx
+++ b/frontend/mining-admin-web/src/features/users/components/referral-tree.tsx
@@ -25,7 +25,7 @@ export function ReferralTree({ accountSequence }: ReferralTreeProps) {
 
   // 当 referralTree 数据加载完成后，自动展开当前用户的直推下级
   useEffect(() => {
-    if (referralTree && referralTree.directReferrals.length > 0) {
+    if (referralTree?.currentUser && referralTree.directReferrals?.length > 0) {
       setExpandedNodes((prev) => ({
         ...prev,
         [referralTree.currentUser.accountSequence]: referralTree.directReferrals,
@@ -112,16 +112,16 @@ export function ReferralTree({ accountSequence }: ReferralTreeProps) {
         {/* 向上的引荐人链 */}
         <div className="space-y-2">
           <p className="text-sm font-medium text-muted-foreground">引荐人链 (向上)</p>
-          {referralTree.ancestors.length > 0 ? (
+          {(referralTree.ancestors?.length ?? 0) > 0 ? (
             <div className="space-y-2">
-              {referralTree.ancestors.map((ancestor, index) => (
+              {(referralTree.ancestors || []).map((ancestor, index) => (
                 <div key={ancestor.accountSequence}>
                   <ReferralNodeCard
                     node={ancestor}
                     onClick={() => handleTreeNodeClick(ancestor)}
                     variant="ancestor"
                   />
-                  {index < referralTree.ancestors.length - 1 && (
+                  {index < (referralTree.ancestors?.length ?? 0) - 1 && (
                     <div className="flex justify-center py-1">
                       <ChevronDown className="h-4 w-4 text-muted-foreground" />
                     </div>
@@ -154,13 +154,13 @@ export function ReferralTree({ accountSequence }: ReferralTreeProps) {
         </div>
 
         {/* 直推下级列表 */}
-        {referralTree.directReferrals.length > 0 && (
+        {(referralTree.directReferrals?.length ?? 0) > 0 && (
           <div className="space-y-2 ml-6 border-l-2 border-muted pl-4">
             <p className="text-sm font-medium text-muted-foreground">
-              直推下级 ({referralTree.directReferrals.length})
+              直推下级 ({referralTree.directReferrals?.length ?? 0})
             </p>
             <div className="space-y-2">
-              {referralTree.directReferrals.map((child) => (
+              {(referralTree.directReferrals || []).map((child) => (
                 <ReferralNodeCard
                   key={child.accountSequence}
                   node={child}