fix(bug): cannot save challenge info

GZTimeWalker · GZTimeWalker · commit 4afe8d9b081c · 2023-07-18T12:18:32.000+08:00
diff --git a/src/GZCTF/Controllers/EditController.cs b/src/GZCTF/Controllers/EditController.cs
@@ -519,7 +519,7 @@ public async Task<IActionResult> UpdateGameChallenge([FromRoute] int id, [FromRo
 
         bool hintUpdated = model.IsHintUpdated(res.Hints?.GetSetHashCode());
 
-        if (res.Type == ChallengeType.DynamicContainer && !model.IsValidFlagTemplate())
+        if (!string.IsNullOrWhiteSpace(model.FlagTemplate) && res.Type == ChallengeType.DynamicContainer && !model.IsValidFlagTemplate())
             return BadRequest(new RequestResponse("flag 复杂度不足，请考虑添加队伍哈希或增加长度"));
 
         res.Update(model);
