diff --git a/dotnet-tools.json b/dotnet-tools.json
index 05d31eed..64cfe121 100644
--- a/dotnet-tools.json
+++ b/dotnet-tools.json
@@ -7,24 +7,6 @@
       "commands": [
         "t4"
       ]
-    },
-    "dotnet-script": {
-      "version": "1.5.0",
-      "commands": [
-        "dotnet-script"
-      ]
-    },
-    "jetbrains.resharper.globaltools": {
-      "version": "2023.3.3",
-      "commands": [
-        "jb"
-      ]
-    },
-    "dnt": {
-      "version": "1.9.0",
-      "commands": [
-        "dnt"
-      ]
     }
   }
 }
\ No newline at end of file
diff --git a/src/backend/NetAdmin.Domain/Attributes/DataValidation/UserIdAttribute.cs b/src/backend/NetAdmin.Domain/Attributes/DataValidation/UserIdAttribute.cs
index 5716e212..1e59fc1b 100644
--- a/src/backend/NetAdmin.Domain/Attributes/DataValidation/UserIdAttribute.cs
+++ b/src/backend/NetAdmin.Domain/Attributes/DataValidation/UserIdAttribute.cs
@@ -18,7 +18,7 @@ public sealed class UserIdAttribute : ValidationAttribute
         var req = new QueryReq<QueryUserReq> { Filter = new QueryUserReq { Id = (long)value! } };
 
         var method = service.GetType().GetMethod("ExistAsync");
-        var exist  = (Task<bool>)method!.Invoke(service, [req])!.ConfigureAwait(false).GetAwaiter().GetResult();
+        var exist  = ((Task<bool>)method!.Invoke(service, [req]))!.ConfigureAwait(false).GetAwaiter().GetResult();
         return !exist ? new ValidationResult(Ln.用户编号不存在) : ValidationResult.Success;
     }
 }
\ No newline at end of file
diff --git a/src/backend/NetAdmin.Infrastructure/Utils/CaptchaImageHelper.cs b/src/backend/NetAdmin.Infrastructure/Utils/CaptchaImageHelper.cs
index cf37e079..19cc819f 100644
--- a/src/backend/NetAdmin.Infrastructure/Utils/CaptchaImageHelper.cs
+++ b/src/backend/NetAdmin.Infrastructure/Utils/CaptchaImageHelper.cs
@@ -12,7 +12,7 @@ namespace NetAdmin.Infrastructure.Utils;
 /// </summary>
 public static class CaptchaImageHelper
 {
-    private static readonly int[] _randRange = 
+    private static readonly int[] _randRange = [70, 100];
 
     /// <summary>
     ///     创建一个缺口滑块验证码图片
@@ -182,6 +182,4 @@ public static class CaptchaImageHelper
     {
         return (endNum > startNum ? new[] { 0, endNum - startNum }.Rand() : 0) + startNum;
     }
-
-    [70, 100];
 }
\ No newline at end of file
diff --git a/src/backend/NetAdmin.SysComponent.Application/Services/Sys/VerifyCodeService.cs b/src/backend/NetAdmin.SysComponent.Application/Services/Sys/VerifyCodeService.cs
index 874d2558..310d0a41 100644
--- a/src/backend/NetAdmin.SysComponent.Application/Services/Sys/VerifyCodeService.cs
+++ b/src/backend/NetAdmin.SysComponent.Application/Services/Sys/VerifyCodeService.cs
@@ -14,7 +14,7 @@ namespace NetAdmin.SysComponent.Application.Services.Sys;
 public sealed class VerifyCodeService(DefaultRepository<Sys_VerifyCode> rpo, IEventPublisher eventPublisher) //
     : RepositoryService<Sys_VerifyCode, IVerifyCodeService>(rpo), IVerifyCodeService
 {
-    private static readonly int[] _randRange = 
+    private static readonly int[] _randRange = [0, 10000];
 
     /// <inheritdoc />
     public async Task<int> BulkDeleteAsync(BulkReq<DelReq> req)
@@ -163,8 +163,6 @@ public sealed class VerifyCodeService(DefaultRepository<Sys_VerifyCode> rpo, IEv
             : await GetAsync(new QueryVerifyCodeReq { Id = req.Id }).ConfigureAwait(false);
     }
 
-    [0, 10000];
-
     private Task<Sys_VerifyCode> GetLastSentAsync(string destDevice)
     {
         return QueryInternal(new QueryReq<QueryVerifyCodeReq> {