diff --git a/backend/services/mining-admin-service/src/application/services/dashboard.service.ts b/backend/services/mining-admin-service/src/application/services/dashboard.service.ts
index 82edeb1c..3aaaccd8 100644
--- a/backend/services/mining-admin-service/src/application/services/dashboard.service.ts
+++ b/backend/services/mining-admin-service/src/application/services/dashboard.service.ts
@@ -123,6 +123,11 @@ export class DashboardService {
 
   /**
    * 获取算力统计
+   *
+   * 有效算力 = 个人算力(70%) + 运营账户(12%) + 省公司(1%) + 市公司(2%)
+   *          + 已解锁层级 + 未解锁层级 + 已解锁团队 + 未解锁团队
+   *        = 理论总算力（因为包含所有部分）
+   *        = 总树数 * 22617
    */
   private async getContributionStats() {
     const [accounts, systemContributions, adoptionStats] = await Promise.all([
@@ -147,22 +152,31 @@ export class DashboardService {
       }),
     ]);
 
+    const totalTrees = adoptionStats._sum.treeCount || 0;
+
+    // 有效算力 = 理论总算力 = 总树数 * 22617
+    // 因为按照公式，有效算力包含所有部分（个人70%+运营12%+省1%+市2%+层级7.5%+团队7.5%=100%）
+    const effectiveContribution = BASE_CONTRIBUTION_PER_TREE.mul(totalTrees);
+
+    // 个人算力（已分配到用户账户）
+    const personalContribution = new Decimal(accounts._sum.personalContribution || 0);
+
+    // 系统账户算力（运营+省+市）
+    const systemContribution = new Decimal(systemContributions._sum.contributionBalance || 0);
+
     return {
       totalAccounts: accounts._count,
       totalContribution: accounts._sum.totalContribution?.toString() || '0',
-      effectiveContribution:
-        accounts._sum.effectiveContribution?.toString() || '0',
-      personalContribution:
-        accounts._sum.personalContribution?.toString() || '0',
+      effectiveContribution: effectiveContribution.toString(),
+      personalContribution: personalContribution.toString(),
       teamLevelContribution:
         accounts._sum.teamLevelContribution?.toString() || '0',
       teamBonusContribution:
         accounts._sum.teamBonusContribution?.toString() || '0',
       systemAccounts: systemContributions._count,
-      systemContribution:
-        systemContributions._sum.contributionBalance?.toString() || '0',
+      systemContribution: systemContribution.toString(),
       totalAdoptions: adoptionStats._count,
-      totalTrees: adoptionStats._sum.treeCount || 0,
+      totalTrees,
     };
   }