diff --git a/server/HoneyBox/src/HoneyBox.Core/Services/TaskService.cs b/server/HoneyBox/src/HoneyBox.Core/Services/TaskService.cs
index 756acf77..5bd07585 100644
--- a/server/HoneyBox/src/HoneyBox.Core/Services/TaskService.cs
+++ b/server/HoneyBox/src/HoneyBox.Core/Services/TaskService.cs
@@ -162,8 +162,11 @@ public class TaskService : ITaskService
                 if (user != null)
                 {
                     user.OuQi = (user.OuQi ?? 0) + reward;
-                    user.UpdatedAt = now;
                     currentOuQi = user.OuQi ?? 0;
+                    
+                    // 重新计算欧气等级
+                    user.OuQiLevel = CalculateOuQiLevel(currentOuQi);
+                    user.UpdatedAt = now;
 
                     // 记录欧气值变动
                     var profitOuQi = new ProfitOuQi
@@ -257,4 +260,23 @@ public class TaskService : ITaskService
 
         return 0;
     }
+
+    /// <summary>
+    /// 根据欧气值计算欧气等级
+    /// </summary>
+    /// <param name="ouQi">当前欧气值</param>
+    /// <returns>欧气等级</returns>
+    private static int CalculateOuQiLevel(int ouQi)
+    {
+        // 等级阈值: 0=普通, 1=青铜(100), 2=白银(500), 3=黄金(1000), 
+        // 4=铂金(3000), 5=钻石(6000), 6=星耀(10000), 7=王者(20000)
+        if (ouQi >= 20000) return 7;
+        if (ouQi >= 10000) return 6;
+        if (ouQi >= 6000) return 5;
+        if (ouQi >= 3000) return 4;
+        if (ouQi >= 1000) return 3;
+        if (ouQi >= 500) return 2;
+        if (ouQi >= 100) return 1;
+        return 0;
+    }
 }