diff --git a/SGGL/FineUIPro.Web/ProjectData/Installation.aspx.cs b/SGGL/FineUIPro.Web/ProjectData/Installation.aspx.cs
index 7d206f3e..2097a054 100644
--- a/SGGL/FineUIPro.Web/ProjectData/Installation.aspx.cs
+++ b/SGGL/FineUIPro.Web/ProjectData/Installation.aspx.cs
@@ -9,6 +9,7 @@ using System.Web.UI.WebControls;
 using BLL;
 using Newtonsoft.Json.Linq;
 using Model;
+using FineUIPro.Web.BaseInfo;
 
 namespace FineUIPro.Web.ProjectData
 {
@@ -313,45 +314,72 @@ namespace FineUIPro.Web.ProjectData
                     {
                         string id = this.trProjects.SelectedNode.NodeID;
                         Model.Project_Installation installation = BLL.Project_InstallationService.GetInstallationByInstallationId(id);
-                        if (installation.SuperInstallationId == "0")  //删除一级装置
+                        if (installation != null)
                         {
-                            if (installation.InstallationName == "总图")
-                            {
-                                DeleteZTData(installation.InstallationId);
-                            }
-                            else
-                            {
-                                BLL.Project_InstallationService.DeleteInstallation(id);
-                                var installation2s = from x in Funs.DB.Project_Installation where x.SuperInstallationId == id select x;
-                                foreach (var installation2 in installation2s)
-                                {
-                                    BLL.Project_InstallationService.DeleteInstallation(installation2.InstallationId);
-                                    var installation3s = from x in Funs.DB.Project_Installation where x.SuperInstallationId == installation2.InstallationId select x;
-                                    foreach (var installation3 in installation3s)
-                                    {
-                                        DeleteData(installation3.InstallationId);
-                                    }
-                                }
-                            }
+                            ShowNotify("已关联项目无法删除！", MessageBoxIcon.Warning);
+                            return;
                         }
-                        else
+                        var  cnProfession = Funs.DB.WBS_CnProfession.FirstOrDefault(x => x.InstallationId == id);
+                        if (cnProfession != null)
                         {
-                            Model.Project_Installation installation2 = BLL.Project_InstallationService.GetInstallationByInstallationId(id);
-                            Model.Project_Installation installation1 = BLL.Project_InstallationService.GetInstallationByInstallationId(installation2.SuperInstallationId);
-                            if (installation1.SuperInstallationId == "0")  //删除二级装置
-                            {
-                                BLL.Project_InstallationService.DeleteInstallation(id);
-                                var installation3s = from x in Funs.DB.Project_Installation where x.SuperInstallationId == id select x;
-                                foreach (var installation3 in installation3s)
-                                {
-                                    DeleteData(installation3.InstallationId);
-                                }
-                            }
-                            else    //删除二级装置
-                            {
-                                DeleteData(id);
-                            }
+                            ShowNotify("已关联专业无法删除！", MessageBoxIcon.Warning);
+                            return;
                         }
+                        var unitWorks = (from x in Funs.DB.WBS_UnitWork where x.InstallationId == id select x).ToList();
+                        if (unitWorks != null)
+                        {
+                            ShowNotify("已关联单位工程无法删除！", MessageBoxIcon.Warning);
+                            return;
+                        }
+
+                        var workArea = (from x in Funs.DB.ProjectData_WorkArea where x.InstallationId == id select x).ToList();
+                        if (workArea != null)
+                        {
+                            ShowNotify("已关联施工区域无法删除！", MessageBoxIcon.Warning);
+                            return;
+                        }
+
+                        //if (installation.SuperInstallationId == "0")  //删除一级装置
+                        //{
+                        //    if (installation.InstallationName == "总图")
+                        //    {
+                        //        DeleteZTData(installation.InstallationId);
+                        //    }
+                        //    else
+                        //    {
+                        //        BLL.Project_InstallationService.DeleteInstallation(id);
+                        //        var installation2s = from x in Funs.DB.Project_Installation where x.SuperInstallationId == id select x;
+                        //        foreach (var installation2 in installation2s)
+                        //        {
+                        //            BLL.Project_InstallationService.DeleteInstallation(installation2.InstallationId);
+                        //            var installation3s = from x in Funs.DB.Project_Installation where x.SuperInstallationId == installation2.InstallationId select x;
+                        //            foreach (var installation3 in installation3s)
+                        //            {
+                        //                DeleteData(installation3.InstallationId);
+                        //            }
+                        //        }
+                        //    }
+                        //}
+                        //else
+                        //{
+                        //    Model.Project_Installation installation2 = BLL.Project_InstallationService.GetInstallationByInstallationId(id);
+                        //    Model.Project_Installation installation1 = BLL.Project_InstallationService.GetInstallationByInstallationId(installation2.SuperInstallationId);
+                        //    if (installation1.SuperInstallationId == "0")  //删除二级装置
+                        //    {
+                        //        BLL.Project_InstallationService.DeleteInstallation(id);
+                        //        var installation3s = from x in Funs.DB.Project_Installation where x.SuperInstallationId == id select x;
+                        //        foreach (var installation3 in installation3s)
+                        //        {
+                        //            DeleteData(installation3.InstallationId);
+                        //        }
+                        //    }
+                        //    else    //删除二级装置
+                        //    {
+                        //        DeleteData(id);
+                        //    }
+                        //}
+
+                        BLL.Project_InstallationService.DeleteInstallation(id);
                         ShowNotify("删除成功！", MessageBoxIcon.Success);
                         InitTreeMenu();
                     }