diff --git a/shared/pubUtils/playerCe.ts b/shared/pubUtils/playerCe.ts
index 44b4e9de1..04d5471f5 100644
--- a/shared/pubUtils/playerCe.ts
+++ b/shared/pubUtils/playerCe.ts
@@ -985,6 +985,7 @@ async function calSchoolStarIncAttr(role: RoleType, heros: HeroType[], type: num
         preQuality--;
     } else if (type == HERO_SYSTEM_TYPE.COLORSTAR) {
         preColorStar--;
+        if(preColorStar <= 0) preQuality--;
     } else {
         return null;
     }