diff --git a/YD_Event.Application/Client/MyController.cs b/YD_Event.Application/Client/MyController.cs
index f24316f..91fef21 100644
--- a/YD_Event.Application/Client/MyController.cs
+++ b/YD_Event.Application/Client/MyController.cs
@@ -174,9 +174,10 @@ public class MyController : IDynamicApiController
             if (string.IsNullOrEmpty(input.IdCardImageUrl)) throw Oops.Bah("身份证正面图片不能为空");
             if (string.IsNullOrEmpty(input.IdCardBackImageUrl)) throw Oops.Bah("身份证背面图片不能为空");
 
-            // 身份证号查重
+            // 身份证号查重（排除被单位删除的影子账号：无单位关联且无密码）
             var duplicateIdCard = await _appUserRepository.AsQueryable()
-                .Where(u => u.IdCardNumber == input.IdCardNumber && u.Id != userId && !u.DeleteMark && u.PersonType == PersonType.Athlete)
+                .Where(u => u.IdCardNumber == input.IdCardNumber && u.Id != userId && !u.DeleteMark && u.PersonType == PersonType.Athlete
+                    && !(u.MerchantCertificationId == null && u.Password == null))
                 .FirstAsync();
             if (duplicateIdCard != null) throw Oops.Bah("该身份证号已被其他用户使用");
         }
@@ -187,9 +188,10 @@ public class MyController : IDynamicApiController
             if (!input.Gender.HasValue) throw Oops.Bah("性别不能为空");
             if (!input.BirthDate.HasValue) throw Oops.Bah("出生日期不能为空");
 
-            // 护照号查重
+            // 护照号查重（排除被单位删除的影子账号：无单位关联且无密码）
             var duplicatePassport = await _appUserRepository.AsQueryable()
-                .Where(u => u.PassportNumber == input.PassportNumber && u.Id != userId && !u.DeleteMark && u.PersonType == PersonType.Athlete)
+                .Where(u => u.PassportNumber == input.PassportNumber && u.Id != userId && !u.DeleteMark && u.PersonType == PersonType.Athlete
+                    && !(u.MerchantCertificationId == null && u.Password == null))
                 .FirstAsync();
             if (duplicatePassport != null) throw Oops.Bah("该护照号码已被其他用户使用");
         }
@@ -198,9 +200,10 @@ public class MyController : IDynamicApiController
             if (string.IsNullOrEmpty(input.HouseholdPhotoUrl)) throw Oops.Bah("户口本图片不能为空");
             if (string.IsNullOrEmpty(input.IdCardNumber)) throw Oops.Bah("身份证号不能为空");
 
-            // 身份证号查重
+            // 身份证号查重（排除被单位删除的影子账号：无单位关联且无密码）
             var duplicateIdCard = await _appUserRepository.AsQueryable()
-                .Where(u => u.IdCardNumber == input.IdCardNumber && u.Id != userId && !u.DeleteMark && u.PersonType == PersonType.Athlete)
+                .Where(u => u.IdCardNumber == input.IdCardNumber && u.Id != userId && !u.DeleteMark && u.PersonType == PersonType.Athlete
+                    && !(u.MerchantCertificationId == null && u.Password == null))
                 .FirstAsync();
             if (duplicateIdCard != null) throw Oops.Bah("该身份证号已被其他用户使用");
         }