diff --git a/game-server/app/services/battleService.ts b/game-server/app/services/battleService.ts
index 19fcb856c..ab1a76fbc 100644
--- a/game-server/app/services/battleService.ts
+++ b/game-server/app/services/battleService.ts
@@ -396,9 +396,9 @@ export async function refreshTasks(towerLv: number, batchCode: string, roleId: s
     for(let [ position, task ] of positions) {
         let taskId = randomTaskId(towerLv, task?task.taskId: 0, ridTaskIds);
         if(task) { // 更新
-            await TowerTaskRecModel.updateTask(roleId, batchCode, position, taskId);
+            tasks.push(await TowerTaskRecModel.updateTask(roleId, batchCode, position, taskId));
         } else {
-            await TowerTaskRecModel.createTask(roleId, roleName, batchCode, taskId, position);
+            tasks.push(await TowerTaskRecModel.createTask(roleId, roleName, batchCode, taskId, position));
         }
         ridTaskIds.push(taskId);
     }
@@ -406,21 +406,27 @@ export async function refreshTasks(towerLv: number, batchCode: string, roleId: s
 }
 
 function randomTaskId(towerLv: number, oldTaskId: number, rids: number[]) {
-    let randomList: DicTowerTask[] = [];
     let dicTask = gameData.towerTask;
     let oldQuality = dicTask.has(oldTaskId)? dicTask.get(oldTaskId).quality: 0;
+    let qualityRange = oldQuality + 1;
+    if(qualityRange >=5 ) qualityRange = 5;
 
-    for (let [_id, task] of dicTask) {
-        if(task.quality >= oldQuality + 1) {
-            let { suitFloor: { min, max } } = task;
-            let flag = max ? (towerLv >= min && towerLv <= max) : (towerLv >= min);
-            if (flag) {
-                randomList.push(task);
+    let randomList: DicTowerTask[] = [];
+    while(randomList.length <= 0) { // 如果这个品质范围里面没有，就降一品质再找
+        for (let [_id, task] of dicTask) {
+            if(task.quality >= qualityRange && !rids.includes(task.taskId)) {
+                let { suitFloor: { min, max } } = task;
+                let flag = max ? (towerLv >= min && towerLv <= max) : (towerLv >= min);
+                if (flag) {
+                    randomList.push(task);
+                }
             }
         }
+        if(randomList.length <= 0) qualityRange--;
+        if(qualityRange == 0) return 0;
     }
-    let list = randomList.filter(cur => !rids.includes(cur.taskId));
-    let { dic } = getRandEelmWithWeight(list);
+
+    let { dic } = getRandEelmWithWeight(randomList);
     
     return dic.taskId;
 }