diff --git a/lib/liblynq-sim/include/lynq_sim.h b/lib/liblynq-sim/include/lynq_sim.h
index 8476205..35d67db 100755
--- a/lib/liblynq-sim/include/lynq_sim.h
+++ b/lib/liblynq-sim/include/lynq_sim.h
@@ -29,6 +29,7 @@
 int lynq_query_phone_number(char buf[]);
 int lynq_switch_card(int slot);
 int lynq_screen(int num);
+int lynq_get_imei(char buf[]);
 /*add by lei*/