diff --git a/route/rule_process_name.go b/route/rule_process_name.go
index b0a151a1..37108eda 100644
--- a/route/rule_process_name.go
+++ b/route/rule_process_name.go
@@ -28,7 +28,7 @@ func NewProcessItem(processNameList []string) *ProcessItem {
 		processMap: make(map[string]bool),
 	}
 	for _, processName := range processNameList {
-		rule.processMap[strings.ToLower(processName)] = true
+		rule.processMap[processName] = true
 	}
 	return rule
 }