diff --git a/readme.md b/readme.md
index 1651395..4e1bfca 100644
--- a/readme.md
+++ b/readme.md
@@ -167,8 +167,6 @@
       <TreatWarningAsError>false</TreatWarningAsError>
       <!--保持默认编译行为 .c 编译为 c，其他cpp-->
       <CompileAs>Default</CompileAs>
-      <!--禁用CRT安全警告-->
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </NuGetExConnentFiles>
   </ItemGroup>
 </Project>