diff --git a/.deepsource.toml b/.deepsource.toml
index 7a414ab0..d116a398 100644
--- a/.deepsource.toml
+++ b/.deepsource.toml
@@ -10,4 +10,4 @@ enabled = true
     "vue"
   ]
   dialect = 'flow'
-  
+  globals = ["CUSTOM_GLOBAL"]  
diff --git a/index.js b/index.js
index de6dae1a..103eb14c 100644
--- a/index.js
+++ b/index.js
@@ -86,5 +86,8 @@ function isMatched(str) {
 
 function commentCheck(){
   console.log("no comment")
+  const _aaa = CUSTOM_GLOBAL
+  const _bbb = CUSTOM_GLOBAL1
+  const _ccc = CUSTOM_GLOBAL
   debugger
 }