diff --git a/Browser_IDE/CSharpWasm/bin/.gitignore b/Browser_IDE/CSharpWasm/bin/.gitignore
new file mode 100644
index 0000000..e949427
--- /dev/null
+++ b/Browser_IDE/CSharpWasm/bin/.gitignore
@@ -0,0 +1,6 @@
+CSharpWasm.dll
+mscorlib.dll
+netstandard.dll
+System.Console.dll
+System.Private.CoreLib.dll
+System.Runtime.dll
\ No newline at end of file
diff --git a/Browser_IDE/CSharpWasm/bin/CSharpWasm.dll b/Browser_IDE/CSharpWasm/bin/CSharpWasm.dll
deleted file mode 100644
index 3c0fa1d..0000000
Binary files a/Browser_IDE/CSharpWasm/bin/CSharpWasm.dll and /dev/null differ
diff --git a/Browser_IDE/CSharpWasm/bin/System.Console.dll b/Browser_IDE/CSharpWasm/bin/System.Console.dll
deleted file mode 100755
index 486ae0f..0000000
Binary files a/Browser_IDE/CSharpWasm/bin/System.Console.dll and /dev/null differ
diff --git a/Browser_IDE/CSharpWasm/bin/System.Private.CoreLib.dll b/Browser_IDE/CSharpWasm/bin/System.Private.CoreLib.dll
deleted file mode 100755
index ffa92d2..0000000
Binary files a/Browser_IDE/CSharpWasm/bin/System.Private.CoreLib.dll and /dev/null differ
diff --git a/Browser_IDE/CSharpWasm/bin/System.Runtime.dll b/Browser_IDE/CSharpWasm/bin/System.Runtime.dll
deleted file mode 100755
index 0e2db79..0000000
Binary files a/Browser_IDE/CSharpWasm/bin/System.Runtime.dll and /dev/null differ
diff --git a/Browser_IDE/CSharpWasm/bin/mscorlib.dll b/Browser_IDE/CSharpWasm/bin/mscorlib.dll
deleted file mode 100755
index f79abde..0000000
Binary files a/Browser_IDE/CSharpWasm/bin/mscorlib.dll and /dev/null differ
diff --git a/Browser_IDE/CSharpWasm/bin/netstandard.dll b/Browser_IDE/CSharpWasm/bin/netstandard.dll
deleted file mode 100755
index fd34bf9..0000000
Binary files a/Browser_IDE/CSharpWasm/bin/netstandard.dll and /dev/null differ
diff --git a/Browser_IDE/CSharpWasm/bin/temp.txt b/Browser_IDE/CSharpWasm/bin/temp.txt
new file mode 100644
index 0000000..e69de29