diff --git a/Src/Dlhis.Basic/Organization/Services/Implements/GainfoPermissionService.cs b/Src/Dlhis.Basic/Organization/Services/Implements/GainfoPermissionService.cs
index a58b9593..d2d24271 100644
--- a/Src/Dlhis.Basic/Organization/Services/Implements/GainfoPermissionService.cs
+++ b/Src/Dlhis.Basic/Organization/Services/Implements/GainfoPermissionService.cs
@@ -103,41 +103,43 @@ public class GainfoPermissionService : IGainfoPermissionService
 
         page.Data.ForEach(item =>
         {
-            var permission = permissions.First(x => x.Tenant == item.Factory);
-
-            item.Source = new DevicePermissionSourceDto
+            var permission = permissions.FirstOrDefault(x => x.Tenant == item.Factory);
+            if (permission != null)
             {
-                Factory = item.Factory,
-                Types = permission.AssignTypes.Where(x => x.Codes.Any(p => p == item.Code)).Select(x =>
+                item.Source = new DevicePermissionSourceDto
                 {
-                    var codeDesc = x.UniqueType == DeviceAssignmentTypeEnumType.Device
-                        ? item.DeployPlace
-                        : deviceGroups.First(p => p.Code == x.OriginalCodes.First()).Name;
-
-                    var currentAssignValue = x.AssignValue;
-                    
-                    currentAssignValue = x.AssignType switch
+                    Factory = item.Factory,
+                    Types = permission.AssignTypes.Where(x => x.Codes.Any(p => p == item.Code)).Select(x =>
                     {
-                        AssignTypeEnumType.Department => departments.FirstOrDefault(p => p.No == x.AssignValue.Split(":")[1])?.Name,
-                        AssignTypeEnumType.Group => userGroups.FirstOrDefault(p => p.Code == Guid.Parse(currentAssignValue))?.Name,
-                        AssignTypeEnumType.User => "自己",
-                        _ => currentAssignValue
-                    };
+                        var codeDesc = x.UniqueType == DeviceAssignmentTypeEnumType.Device
+                            ? item.DeployPlace
+                            : deviceGroups.FirstOrDefault(p => p.Code == x.OriginalCodes.First())?.Name;
 
-                    var r = new DevicePermissionSourceTypeDto
-                    {
-                        AssignType = x.AssignType,
-                        AssignValue = currentAssignValue,
-                        UniqueType = x.UniqueType,
-                        Codes = x.UniqueType == DeviceAssignmentTypeEnumType.Device
-                            ? x.Codes.Where(p => p == item.Code)
-                            : x.Codes.Take(1),
-                        CodeDesc = codeDesc
-                    };
+                        var currentAssignValue = x.AssignValue;
 
-                    return r;
-                })
-            };
+                        currentAssignValue = x.AssignType switch
+                        {
+                            AssignTypeEnumType.Department => departments.FirstOrDefault(p => p.No == x.AssignValue.Split(":")[1])?.Name,
+                            AssignTypeEnumType.Group => userGroups.FirstOrDefault(p => p.Code == Guid.Parse(currentAssignValue))?.Name,
+                            AssignTypeEnumType.User => "自己",
+                            _ => currentAssignValue
+                        };
+
+                        var r = new DevicePermissionSourceTypeDto
+                        {
+                            AssignType = x.AssignType,
+                            AssignValue = currentAssignValue,
+                            UniqueType = x.UniqueType,
+                            Codes = x.UniqueType == DeviceAssignmentTypeEnumType.Device
+                                ? x.Codes.Where(p => p == item.Code)
+                                : x.Codes.Take(1),
+                            CodeDesc = codeDesc
+                        };
+
+                        return r;
+                    })
+                };
+            }
         });
 
         return page;