diff --git a/asg_form/Controllers/BlackController.cs b/asg_form/Controllers/BlackController.cs
index 5dc16aa..74cbf7e 100644
--- a/asg_form/Controllers/BlackController.cs
+++ b/asg_form/Controllers/BlackController.cs
@@ -147,7 +147,7 @@ namespace asg_form.Controllers
         [Authorize]
         public async Task<ActionResult<object>> blackDel([FromQuery] string idFind)
         {
-            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "admin") || !this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "admin"))
+            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "admin") && !this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "admin"))
             {
                 return Ok(new error_mb { code = 401, message = "无权访问" });
             }