diff --git a/rules/singbox/Wifi_Call_HK.json b/rules/singbox/Wifi_Call_HK.json
index 0e3bee3..3df873d 100644
--- a/rules/singbox/Wifi_Call_HK.json
+++ b/rules/singbox/Wifi_Call_HK.json
@@ -3,10 +3,10 @@
   "rules": [
     { 
       "domain_suffix": [
-        "csl.prod.ondemandconnectivity.com"
-        "hhk.prod.ondemandconnectivity.com"
-        "epdg.epc.mnc000.mcc454.pub.3gppnetwork.org"
-        "ss.epdg.epc.mnc000.mcc454.pub.3gppnetwork.org"
+        "csl.prod.ondemandconnectivity.com",
+        "hhk.prod.ondemandconnectivity.com",
+        "epdg.epc.mnc000.mcc454.pub.3gppnetwork.org",
+        "ss.epdg.epc.mnc000.mcc454.pub.3gppnetwork.org",
         "ss.epdg.epc.geo.mnc000.mcc454.pub.3gppnetwork.org"
       ]
     }