diff --git a/.github/workflows/targets.yml b/.github/workflows/targets.yml
index 9e0de890..c87eefc7 100644
--- a/.github/workflows/targets.yml
+++ b/.github/workflows/targets.yml
@@ -36,5 +36,5 @@ jobs:
 
       - name: Build targets
         run: |
-          cd _demo/empty
+          cd _demo/targetsbuild
           bash build-targets-ci.sh
diff --git a/_demo/empty/empty.go b/_demo/empty/empty.go
deleted file mode 100644
index b2e977f5..00000000
--- a/_demo/empty/empty.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package main
-
-import _ "github.com/goplus/llgo/_demo/empty/C"
-
-func main() {
-}
diff --git a/_demo/empty/C/c.go b/_demo/targetsbuild/C/c.go
similarity index 100%
rename from _demo/empty/C/c.go
rename to _demo/targetsbuild/C/c.go
diff --git a/_demo/empty/build-targets-ci.sh b/_demo/targetsbuild/build-targets-ci.sh
similarity index 95%
rename from _demo/empty/build-targets-ci.sh
rename to _demo/targetsbuild/build-targets-ci.sh
index 40c79153..02a847ba 100644
--- a/_demo/empty/build-targets-ci.sh
+++ b/_demo/targetsbuild/build-targets-ci.sh
@@ -134,10 +134,11 @@ wioterminal \
 xiao-esp32c3 \
 xiao-rp2040 \
 xiao; do
-        ../../llgo.sh build -v -target $target -o hello.out . >/dev/null 2>&1
+        output=$(../../llgo.sh build -v -target $target -o hello.out . 2>&1)
         if [ $? -eq 0 ]; then
             echo ✅ $target `file hello.out`
         else
             echo ❌ $target
+            echo "$output"
         fi
     done
diff --git a/_demo/targetsbuild/empty.go b/_demo/targetsbuild/empty.go
new file mode 100644
index 00000000..71be2ff7
--- /dev/null
+++ b/_demo/targetsbuild/empty.go
@@ -0,0 +1,6 @@
+package main
+
+import _ "github.com/goplus/llgo/_demo/targetsbuild/C"
+
+func main() {
+}