diff --git a/Backend/Controllers/BuildInfoController.cs b/Backend/Controllers/BuildInfoController.cs
index 8f580ce..f06e9bb 100644
--- a/Backend/Controllers/BuildInfoController.cs
+++ b/Backend/Controllers/BuildInfoController.cs
@@ -496,7 +496,7 @@ namespace Backend.Controllers
             try
             {
                 var check = await backendRepository.GetOneAsync<string>($@"select floor_guid from variable where floor_guid != {post.Floor_guid} and building_tag = '{post.Building_tag}' and 
-                                                                            full_name = '{post.Full_name}';");
+                                                                            full_name = '{post.Full_name}' and deleted = 0;");
                 if (!string.IsNullOrEmpty(check))
                 {
                     apiResult.Code = "9998";
diff --git a/Backend/Controllers/SystemCategoryController.cs b/Backend/Controllers/SystemCategoryController.cs
index 350acdb..a45c5e1 100644
--- a/Backend/Controllers/SystemCategoryController.cs
+++ b/Backend/Controllers/SystemCategoryController.cs
@@ -99,7 +99,7 @@ namespace Backend.Controllers
 
                 object param = new { Deleted = 0, id = post.id };
 
-                var check = await backendRepository.GetOneAsync<string>($"select id from variable where id != {post.id} and system_type = '{main_system_type}' and system_value = '{post.system_value}';");
+                var check = await backendRepository.GetOneAsync<string>($"select id from variable where id != {post.id} and system_type = '{main_system_type}' and system_value = '{post.system_value}' and deleted = 0;");
                 if (!string.IsNullOrEmpty(check))
                 {
                     apiResult.Code = "9998";
@@ -317,7 +317,7 @@ namespace Backend.Controllers
 
             try
             {
-                var check = await backendRepository.GetOneAsync<string>($"select id from variable where id != {post.id} and system_type = '{sub_system_type}' and system_value = '{post.system_value}';");
+                var check = await backendRepository.GetOneAsync<string>($"select id from variable where id != {post.id} and system_type = '{sub_system_type}' and system_value = '{post.system_value}' and deleted = 0;");
                 if (!string.IsNullOrEmpty(check))
                 {
                     apiResult.Code = "9998";
diff --git a/Backend/Controllers/UserInfoController.cs b/Backend/Controllers/UserInfoController.cs
index 5572c93..c574434 100644
--- a/Backend/Controllers/UserInfoController.cs
+++ b/Backend/Controllers/UserInfoController.cs
@@ -314,7 +314,7 @@ namespace Backend.Controllers
 
             try
             {
-                var check = await backendRepository.GetOneAsync<string>($"select role_guid from role where role_guid != '{post.Id}' and full_name = '{post.Name}';");
+                var check = await backendRepository.GetOneAsync<string>($"select role_guid from role where role_guid != '{post.Id}' and full_name = '{post.Name}' and deleted = 0;");
                 if (!string.IsNullOrEmpty(check))
                 {
                     apiResult.Code = "9998";
diff --git a/Backend/Controllers/VariableController.cs b/Backend/Controllers/VariableController.cs
index 83afaf8..7c2d97e 100644
--- a/Backend/Controllers/VariableController.cs
+++ b/Backend/Controllers/VariableController.cs
@@ -129,7 +129,7 @@ namespace Backend.Controllers
             try
             {
                 var check = await backendRepository.GetOneAsync<string>($@"select id from variable where id != {post.id} and system_type = '{post.System_type}' and system_value = '{post.system_value}'
-                                                                            and system_key = '{post.System_key}';");
+                                                                            and system_key = '{post.System_key}' and deleted = 0;");
                 if (!string.IsNullOrEmpty(check))
                 {
                     apiResult.Code = "9998";