diff --git a/Build/lib/clash.ts b/Build/lib/clash.ts
index 09eb4d7a..17f5020a 100644
--- a/Build/lib/clash.ts
+++ b/Build/lib/clash.ts
@@ -1,20 +1,26 @@
+import picocolors from 'picocolors';
+
 const identity = <T>(x: T): T => x;
+const unsupported = Symbol('unsupported');
 
 // https://dreamacro.github.io/clash/configuration/rules.html
-const PROCESSOR: Record<string, (raw: string, type: string, value: string) => string> = {
+const PROCESSOR: Record<string, ((raw: string, type: string, value: string) => string) | typeof unsupported> = {
   DOMAIN: identity,
   'DOMAIN-SUFFIX': identity,
   'DOMAIN-KEYWORD': identity,
   GEOIP: identity,
   'IP-CIDR': identity,
   'IP-CIDR6': identity,
+  'IP-ASN': identity,
   'SRC-IP-CIDR': identity,
   'SRC-PORT': identity,
   'DST-PORT': identity,
   'PROCESS-NAME': identity,
   'PROCESS-PATH': identity,
   'DEST-PORT': (_raw, type, value) => `DST-PORT,${value}`,
-  'IN-PORT': (_raw, type, value) => `SRC-PORT,${value}`
+  'IN-PORT': (_raw, type, value) => `SRC-PORT,${value}`,
+  'URL-REGEX': unsupported,
+  'USER-AGENT': unsupported
 };
 
 export const surgeRulesetToClashClassicalTextRuleset = (rules: string[] | Set<string>) => {
@@ -34,7 +40,12 @@ export const surgeRulesetToClashClassicalTextRuleset = (rules: string[] | Set<st
     }
     const value = cur.slice(i + 1);
     if (type in PROCESSOR) {
-      acc.push(PROCESSOR[type](cur, type, value));
+      const proc = PROCESSOR[type];
+      if (proc !== unsupported) {
+        acc.push(proc(cur, type, value));
+      }
+    } else {
+      console.log(picocolors.yellow(`[clash] unknown rule type: ${type}`), cur);
     }
     return acc;
   }, []);