diff --git a/_demo/setjmp/setjmp.go b/_demo/setjmp/setjmp.go
index e8955695..c281d90f 100644
--- a/_demo/setjmp/setjmp.go
+++ b/_demo/setjmp/setjmp.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"github.com/goplus/llgo/c/setjmp"
-	"github.com/goplus/llgo/c/setjmp/demo"
+	"github.com/goplus/llgo/c/setjmp/trycatch"
 )
 
 func main() {
@@ -10,7 +10,7 @@ func main() {
 	switch ret := setjmp.Sigsetjmp(&jb, 0); ret {
 	case 0:
 		println("Hello, setjmp!")
-		demo.ThrowCppException()
+		trycatch.ThrowCppException()
 		setjmp.Siglongjmp(&jb, 1)
 	default:
 		println("exception:", ret)
diff --git a/c/setjmp/demo/_code/try_catch.cpp b/c/setjmp/demo/_code/try_catch.cpp
deleted file mode 100644
index e4aa343d..00000000
--- a/c/setjmp/demo/_code/try_catch.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-extern "C" void throwCppException();
-
-int main() {
-    try {
-        throwCppException();
-    } catch (...) {
-        throw;
-    }
-    return 0;
-}
diff --git a/c/setjmp/demo/_code/demo.cpp b/c/setjmp/trycatch/_code/demo.cpp
similarity index 100%
rename from c/setjmp/demo/_code/demo.cpp
rename to c/setjmp/trycatch/_code/demo.cpp
diff --git a/c/setjmp/trycatch/_code/try_catch.cpp b/c/setjmp/trycatch/_code/try_catch.cpp
new file mode 100644
index 00000000..0b160194
--- /dev/null
+++ b/c/setjmp/trycatch/_code/try_catch.cpp
@@ -0,0 +1,13 @@
+#include <exception>
+#include <stdio.h>
+
+extern "C" void throwCppException();
+
+int main() {
+    try {
+        throwCppException();
+    } catch (std::exception& e) {
+        printf("Hi, %s\n", e.what());
+    }
+    return 0;
+}
diff --git a/c/setjmp/demo/demo.go b/c/setjmp/trycatch/demo.go
similarity index 97%
rename from c/setjmp/demo/demo.go
rename to c/setjmp/trycatch/demo.go
index d0fed258..79ae2ce1 100644
--- a/c/setjmp/demo/demo.go
+++ b/c/setjmp/trycatch/demo.go
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package demo
+package trycatch
 
 import (
 	_ "unsafe"
diff --git a/c/setjmp/demo/demo.ll b/c/setjmp/trycatch/demo.ll
similarity index 100%
rename from c/setjmp/demo/demo.ll
rename to c/setjmp/trycatch/demo.ll
diff --git a/c/setjmp/demo/llgo.cfg b/c/setjmp/trycatch/llgo.cfg
similarity index 100%
rename from c/setjmp/demo/llgo.cfg
rename to c/setjmp/trycatch/llgo.cfg
diff --git a/c/setjmp/demo/llgo_autogen.lla b/c/setjmp/trycatch/llgo_autogen.lla
similarity index 100%
rename from c/setjmp/demo/llgo_autogen.lla
rename to c/setjmp/trycatch/llgo_autogen.lla