diff --git a/build.sc b/build.sc
index bbcb4de..6b38c98 100644
--- a/build.sc
+++ b/build.sc
@@ -53,6 +53,10 @@ trait CommonYunSuan extends YSModule with SbtModule { m =>
 
   override def forkArgs = Seq("-Xmx128G", "-Xss256m")
 
+  val resourcesPATH = os.pwd.toString() + "/src/main/resources"
+  val envPATH = sys.env("PATH") + ":" + resourcesPATH
+  override def forkEnv = Map("PATH" -> envPATH)
+
   override def ivyDeps = super.ivyDeps() ++ Seq(ivys.chiseltest)
 
   override def moduleDeps = super.moduleDeps ++ Seq(
@@ -62,6 +66,8 @@ trait CommonYunSuan extends YSModule with SbtModule { m =>
 
     override def forkArgs = m.forkArgs
 
+    override def forkEnv = m.forkEnv
+
     override def ivyDeps = super.ivyDeps() ++ Agg(
       ivys.scalatest
     )
diff --git a/src/main/resources/espresso b/src/main/resources/espresso
new file mode 100755
index 0000000..4067e44
Binary files /dev/null and b/src/main/resources/espresso differ