修复Mysql

tests/Jiaowu.Api.Tests/PersonnelControllerTests.cs

@@ -74,8 +74,9 @@ public sealed class PersonnelControllerTests
         Assert.Equal(teacher.Name, user.DisplayName);
         Assert.Equal(teacher.CollegeId, user.CollegeId);
         Assert.True(await userManager.IsInRoleAsync(user, SystemRoles.Teacher));
-        await db.Entry(teacher).ReloadAsync();
-        Assert.Equal(user.Id, teacher.UserId);
+        db.ChangeTracker.Clear();
+        var linkedTeacher = await db.Teachers.SingleAsync(x => x.Id == teacher.Id);
+        Assert.Equal(user.Id, linkedTeacher.UserId);
     }
 
     private sealed class TestDataScope(Guid collegeId) : ICurrentUserDataScope