diff --git a/backend/services/reporting-service/src/infrastructure/external/reward-service/reward-service.client.ts b/backend/services/reporting-service/src/infrastructure/external/reward-service/reward-service.client.ts
index 73565245..151e5a67 100644
--- a/backend/services/reporting-service/src/infrastructure/external/reward-service/reward-service.client.ts
+++ b/backend/services/reporting-service/src/infrastructure/external/reward-service/reward-service.client.ts
@@ -70,9 +70,11 @@ export interface AllRewardTypeSummaries {
 }
 
 // [2026-01-06] 新增：收益记录条目
+// [2026-02-05] 更新：添加 sourceAccountSequence 字段
 export interface RewardEntryDTO {
   id: string;
   accountSequence: string;
+  sourceAccountSequence: string | null;  // 来源用户账户序列号
   sourceOrderId: string;
   rightType: string;
   rewardStatus: string;
diff --git a/backend/services/reward-service/src/application/services/reward-application.service.ts b/backend/services/reward-service/src/application/services/reward-application.service.ts
index af7bb5b9..2bb0a8db 100644
--- a/backend/services/reward-service/src/application/services/reward-application.service.ts
+++ b/backend/services/reward-service/src/application/services/reward-application.service.ts
@@ -1333,6 +1333,7 @@ export class RewardApplicationService {
     entries: Array<{
       id: string;
       accountSequence: string;
+      sourceAccountSequence: string | null;  // [2026-02-05] 新增：来源用户账户序列号
       sourceOrderId: string;
       rightType: string;
       rewardStatus: string;
@@ -1376,6 +1377,8 @@ export class RewardApplicationService {
       entries: entries.map(entry => ({
         id: entry.id.toString(),
         accountSequence: entry.accountSequence,
+        // [2026-02-05] 新增：返回来源用户的账户序列号
+        sourceAccountSequence: entry.sourceAccountSequence ?? null,
         sourceOrderId: entry.sourceOrderNo,
         rightType: entry.rightType,
         rewardStatus: entry.rewardStatus,
diff --git a/frontend/admin-web/src/components/features/system-account-report/SystemAccountsTab.tsx b/frontend/admin-web/src/components/features/system-account-report/SystemAccountsTab.tsx
index ccc25696..16f26ca0 100644
--- a/frontend/admin-web/src/components/features/system-account-report/SystemAccountsTab.tsx
+++ b/frontend/admin-web/src/components/features/system-account-report/SystemAccountsTab.tsx
@@ -1600,6 +1600,8 @@ function RewardTypeSummarySection({
                       <tr>
                         <th>时间</th>
                         <th>账户</th>
+                        {/* [2026-02-05] 新增：来源用户列，显示收益来自哪个用户的认种 */}
+                        <th>来源用户</th>
                         <th>订单号</th>
                         <th>金额 (绿积分)</th>
                         <th>状态</th>
@@ -1611,6 +1613,8 @@ function RewardTypeSummarySection({
                           <td>{new Date(entry.createdAt).toLocaleString('zh-CN')}</td>
                           {/* [2026-01-07] 更新：使用 getAccountDisplayName 显示账户名称和编码 */}
                           <td>{getAccountDisplayName(entry.accountSequence)}</td>
+                          {/* [2026-02-05] 新增：显示来源用户账户序列号 */}
+                          <td>{entry.sourceAccountSequence ?? '-'}</td>
                           <td className={styles.orderId}>{entry.sourceOrderId}</td>
                           <td>{formatAmount(entry.usdtAmount)}</td>
                           <td>
diff --git a/frontend/admin-web/src/types/system-account.types.ts b/frontend/admin-web/src/types/system-account.types.ts
index 704fd84a..4b4caf79 100644
--- a/frontend/admin-web/src/types/system-account.types.ts
+++ b/frontend/admin-web/src/types/system-account.types.ts
@@ -316,6 +316,7 @@ export const FEE_TYPE_LABELS: Record<string, string> = {
 export interface RewardEntryDTO {
   id: string;
   accountSequence: string;
+  sourceAccountSequence: string | null;  // [2026-02-05] 新增：来源用户账户序列号
   sourceOrderId: string;
   rightType: string;
   rewardStatus: string;
@@ -659,9 +660,9 @@ export function getAccountDisplayName(accountSequence: string): string {
       }
     }
   }
-  // 检查是否是7位数字的区域账户序列号（如 8330100 或 9330000）
+  // 检查是否是7位数字的区域账户序列号（如 7440000省团队、8330100市区域、9330000省区域）
   if (/^\d{7}$/.test(accountSequence)) {
-    // 8开头是市区域账户，9开头是省区域账户
+    // 7开头是省团队账户，8开头是市区域账户，9开头是省区域账户
     const prefix = accountSequence.charAt(0);
     const regionCode = accountSequence.substring(1); // 后6位是区域代码
     const provinceCode = regionCode.substring(0, 2);
@@ -677,7 +678,10 @@ export function getAccountDisplayName(accountSequence: string): string {
 
     if (provinceName) {
       const shortProvinceName = provinceName.replace(/省|市|自治区|特别行政区|壮族|回族|维吾尔/g, '');
-      if (prefix === '9') {
+      if (prefix === '7') {
+        // [2026-02-05] 新增：省团队账户（7开头）
+        return `${shortProvinceName}省团队 (${accountSequence})`;
+      } else if (prefix === '9') {
         // 省区域账户
         return `${shortProvinceName}省级 (${accountSequence})`;
       } else if (prefix === '8') {