修改

IRaCIS.Core.Application/Service/Management/UserService.cs

@@ -123,14 +123,17 @@ namespace IRaCIS.Application.Services
             {
 				throw new BusinessValidationFailedException(_localizer["User_PassWordRepeat"]);
 			}
-
-            await _userPassWordLogRepository.AddAsync(new UserPassWordLog()
+            if (oldPwd != null)
             {
+				await _userPassWordLogRepository.AddAsync(new UserPassWordLog()
+				{
 
-                CreateTime = DateTime.Now,
-                PassWord = oldPwd,
-                UserId = userId,
-            });
+					CreateTime = DateTime.Now,
+					PassWord = oldPwd,
+					UserId = userId,
+				});
+			}
+          
 
             await _userRepository.BatchUpdateNoTrackingAsync(x => x.Id == userId, x => new User()
             {