diff --git a/HJGL_DS/BLL/Common/SysManage/Sys_UserSettingsService.cs b/HJGL_DS/BLL/Common/SysManage/Sys_UserSettingsService.cs
index 1939117..31a9522 100644
--- a/HJGL_DS/BLL/Common/SysManage/Sys_UserSettingsService.cs
+++ b/HJGL_DS/BLL/Common/SysManage/Sys_UserSettingsService.cs
@@ -260,17 +260,21 @@ namespace BLL
                     {
                         foreach (var item in unitItemList)
                         {
-                            var pUnit = new Model.Project_Unit();
-                            pUnit.ProjectUnitId = Guid.NewGuid().ToString();
-                            pUnit.ProjectId = projectid;
-                            pUnit.UnitId = item.UnitId;
-                            //单位类型
-                            var bresult = bUnit.FirstOrDefault(x => x.UnitId == item.UnitId && x.UnitType != null && x.UnitType != "");
-                            if (bresult != null)
+                            var projectUnit = from x in Funs.DB.Project_Unit where x.ProjectId == projectid && x.UnitId == item.UnitId select x;
+                            if (projectUnit == null)
                             {
-                                pUnit.UnitType = bresult.UnitType;
+                                var pUnit = new Model.Project_Unit();
+                                pUnit.ProjectUnitId = Guid.NewGuid().ToString();
+                                pUnit.ProjectId = projectid;
+                                pUnit.UnitId = item.UnitId;
+                                //单位类型
+                                var bresult = bUnit.FirstOrDefault(x => x.UnitId == item.UnitId && x.UnitType != null && x.UnitType != "");
+                                if (bresult != null)
+                                {
+                                    pUnit.UnitType = bresult.UnitType;
+                                }
+                                AddProject_Unit.Add(pUnit);
                             }
-                            AddProject_Unit.Add(pUnit);
                         }
                     }
                 }