diff --git a/src/mod/applications/mod_sonar/mod_sonar.c b/src/mod/applications/mod_sonar/mod_sonar.c
index 06bf99b78d..183a9884d1 100644
--- a/src/mod/applications/mod_sonar/mod_sonar.c
+++ b/src/mod/applications/mod_sonar/mod_sonar.c
@@ -24,6 +24,7 @@
  * Contributor(s):
  * 
  * William King <william.king@quentustech.com>
+ * Seven Du <dujinfang@gmail.com>
  *
  * mod_sonar.c -- Sonar ping timer
  *