diff --git a/shadowsocks-csharp/shadowsocks-csharp.csproj b/shadowsocks-csharp/shadowsocks-csharp.csproj
index dabe0dbc..008134ae 100644
--- a/shadowsocks-csharp/shadowsocks-csharp.csproj
+++ b/shadowsocks-csharp/shadowsocks-csharp.csproj
@@ -59,8 +59,7 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>ManagedMinimumRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
-    <DebugSymbols>false</DebugSymbols>
-    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+    <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationManifest>app.manifest</ApplicationManifest>