diff --git a/Surge/RuleSet/Custom/HK.txt b/Surge/RuleSet/Custom/HK.txt
index fca0bb1..f9b699b 100644
--- a/Surge/RuleSet/Custom/HK.txt
+++ b/Surge/RuleSet/Custom/HK.txt
@@ -32,3 +32,6 @@
 
 # The Bank of East Asia
 .hkbea.com
+
+# Three HK
+.three.com.hk