diff --git a/backend/services/mining-service/src/api/controllers/mining.controller.ts b/backend/services/mining-service/src/api/controllers/mining.controller.ts
index a5b4cedd..bb1b67e0 100644
--- a/backend/services/mining-service/src/api/controllers/mining.controller.ts
+++ b/backend/services/mining-service/src/api/controllers/mining.controller.ts
@@ -66,11 +66,10 @@ export class MiningController {
     const secondDistribution = Number(config.secondDistribution || 0);
     const minuteDistribution = secondDistribution * 60;
 
-    // 计算挖矿进度
+    // 计算挖矿进度（用实际已分配数量 / 分配池总量）
     const distributionPool = Number(config.distributionPool || 0);
     const remainingDistribution = Number(config.remainingDistribution || 0);
-    const distributed = distributionPool - remainingDistribution;
-    const miningProgress = distributionPool > 0 ? (distributed / distributionPool) * 100 : 0;
+    const miningProgress = distributionPool > 0 ? (totalDistributedDecimal / distributionPool) * 100 : 0;
 
     // 计算剩余分钟数
     const remainingMinutes = minuteDistribution > 0 ? Math.ceil(remainingDistribution / minuteDistribution) : 0;