From ed5b75e16cba769b9305eb55b084fbe362371cc8 Mon Sep 17 00:00:00 2001
From: purofle <purofle@gmail.com>
Date: Sun, 18 Feb 2024 16:42:07 +0800
Subject: [PATCH] fix: NPE on generateRuleSet

---
 app/src/main/java/moe/matsuri/nb4a/SingBoxOptionsUtil.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/moe/matsuri/nb4a/SingBoxOptionsUtil.kt b/app/src/main/java/moe/matsuri/nb4a/SingBoxOptionsUtil.kt
index d6a5b207..f24fb1ff 100644
--- a/app/src/main/java/moe/matsuri/nb4a/SingBoxOptionsUtil.kt
+++ b/app/src/main/java/moe/matsuri/nb4a/SingBoxOptionsUtil.kt
@@ -74,7 +74,7 @@ fun SingBoxOptions.DNSRule_DefaultOptions.checkEmpty(): Boolean {
 }
 
 fun SingBoxOptions.Rule_DefaultOptions.generateRuleSet(ruleSet: MutableList<RuleSet>) {
-    rule_set.forEach {
+    rule_set?.forEach {
         when {
             it.startsWith("geoip") -> {
                 val geoipPath = GeoipUtils.generateRuleSet(country = it.removePrefix("geoip:"))