diff --git a/package/network/services/ppp/files/ppp.sh b/package/network/services/ppp/files/ppp.sh
index 0fe29993e..eea4220a3 100755
--- a/package/network/services/ppp/files/ppp.sh
+++ b/package/network/services/ppp/files/ppp.sh
@@ -234,7 +234,7 @@ proto_pppoe_setup() {
 #By 蝈蝈：并发拨号同步的前期准备
 	syncppp_option=""
 	[ "$(uci get syncdial.config.enabled)" == "1" ] && {
-		ppp_if_cnt=$(cat /etc/config/network | grep -c "proto 'pppoe'")
+		ppp_if_cnt=$(cat /etc/config/network | grep -E -c "proto\s+?'pppoe'")
 		syncppp_option="syncppp $ppp_if_cnt"
 		shellsync $ppp_if_cnt 10
 	}