diff --git a/contrib-contracts/src/merkle_distributor_test.rs b/contrib-contracts/src/merkle_distributor_test.rs
index 39db5dd1e0..d3a52292ab 100644
--- a/contrib-contracts/src/merkle_distributor_test.rs
+++ b/contrib-contracts/src/merkle_distributor_test.rs
@@ -41,6 +41,8 @@ fn test_merkle_distributor() -> Result<()> {
             starcoin_move_stdlib::STARCOIN_STDLIB_SOURCE_FILES.clone();
         source_files.extend(starcoin_stdlib_files);
 
+        println!("YSG source_files: {:?}", source_files);
+
         let modules = compile_modules_with_address_internal(association_address(), source, &source_files);
 
         let package = Package::new(modules, None)?;
diff --git a/vm/framework/move-stdlib/src/lib.rs b/vm/framework/move-stdlib/src/lib.rs
index 6755ff2813..6470f118f4 100644
--- a/vm/framework/move-stdlib/src/lib.rs
+++ b/vm/framework/move-stdlib/src/lib.rs
@@ -13,6 +13,7 @@ pub static MOVE_STDLIB_SOURCE_FILES: Lazy<Vec<String>> = Lazy::new(|| {
     let tempdir = tempfile::tempdir().expect("local dir should be created");
     let sources_dir = tempdir.path().join("move-stdlib").join("sources");
     std::fs::create_dir_all(sources_dir.as_path()).expect("create dir should success");
+    println!("restore move-stdlib sources in: {:?}", sources_dir);
     MOVE_STDLIB_SOURCES_DIR
         .extract(sources_dir.as_path())
         .expect("extract should success");
@@ -38,8 +39,9 @@ pub const STARCOIN_STDLIB_SOURCES_DIR: Dir = include_dir!("../starcoin-stdlib/so
 
 pub static STARCOIN_STDLIB_SOURCE_FILES: Lazy<Vec<String>> = Lazy::new(|| {
     let tempdir = tempfile::tempdir().expect("local dir should be created");
-    let sources_dir = tempdir.path().join("move-stdlib").join("sources");
+    let sources_dir = tempdir.path().join("starcoin-stdlib").join("sources");
     std::fs::create_dir_all(sources_dir.as_path()).expect("create dir should success");
+    println!("restore starcoin-stdlib sources in: {:?}", sources_dir);
     STARCOIN_STDLIB_SOURCES_DIR
         .extract(sources_dir.as_path())
         .expect("extract should success");