diff --git a/src/SJZY.Track.Repository/Repositories/WarningRuleRepository.cs b/src/SJZY.Track.Repository/Repositories/WarningRuleRepository.cs
index a091be8b..bdaa4fdb 100644
--- a/src/SJZY.Track.Repository/Repositories/WarningRuleRepository.cs
+++ b/src/SJZY.Track.Repository/Repositories/WarningRuleRepository.cs
@@ -14,13 +14,11 @@ public sealed class WarningRuleRepository : BasicRepository<WarningRuleEntity>,
 
     public async Task<bool> CheckNameDuplicateAsync(int id, int subsystemId, int customId, string name)
     {
-        var list = await Context.Queryable<WarningRuleEntity>()
+        var entity = await Context.Queryable<WarningRuleEntity>()
             .Where(x => x.SubSystemId == subsystemId &&
                         x.CustomId == customId
                         && string.Equals(x.Name, name))
-            .ToListAsync();
-
-        var entity = list.First();
+            .FirstAsync();
 
         // 不重复
         if (entity == null)