diff --git a/PEIS.sln b/PEIS.sln
index e09929d..d21a56e 100644
--- a/PEIS.sln
+++ b/PEIS.sln
@@ -5,12 +5,6 @@ VisualStudioVersion = 15.0.33529.398
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PEIS", "PEIS\PEIS.csproj", "{8980800E-6620-4B2E-A7DD-8C4651E1A344}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "解决方案项", "解决方案项", "{AB0394FA-735E-4213-9ACE-31C02F698FA7}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Update", "Update\Update.csproj", "{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DicomTool", "DicomTool\DicomTool.csproj", "{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,29 +21,10 @@ Global
 		{8980800E-6620-4B2E-A7DD-8C4651E1A344}.Release|Any CPU.Build.0 = Release|Any CPU
 		{8980800E-6620-4B2E-A7DD-8C4651E1A344}.Release|x86.ActiveCfg = Release|Any CPU
 		{8980800E-6620-4B2E-A7DD-8C4651E1A344}.Release|x86.Build.0 = Release|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Debug|x86.Build.0 = Debug|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Release|x86.ActiveCfg = Release|Any CPU
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5}.Release|x86.Build.0 = Release|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Debug|x86.Build.0 = Debug|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Release|Any CPU.Build.0 = Release|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Release|x86.ActiveCfg = Release|Any CPU
-		{7AFE3A9A-02C9-4D8C-A03B-1BFFECB153A3}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
-	GlobalSection(NestedProjects) = preSolution
-		{8894C92C-210D-459C-B5CD-7A6D2AB4CBE5} = {AB0394FA-735E-4213-9ACE-31C02F698FA7}
-	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {56DA78F6-DED1-4B17-AE1F-7DCF4A666388}
 	EndGlobalSection