diff --git a/nikki/Makefile b/nikki/Makefile
index 255b41f7a..f0f688f6e 100644
--- a/nikki/Makefile
+++ b/nikki/Makefile
@@ -5,9 +5,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/MetaCubeX/mihomo.git
-PKG_SOURCE_DATE:=2025-05-04
-PKG_SOURCE_VERSION:=86c127db8b9fd8c8bf6097d2999e4d5c5d99febb
-PKG_MIRROR_HASH:=bacb109d544c8ff25f9f69edeb37bab3ed54c4faeb5f1c5da6e9978b5c4ea8b0
+PKG_SOURCE_DATE:=2025-05-15
+PKG_SOURCE_VERSION:=bb8c47d83df74d9873933067c689495944dea314
+PKG_MIRROR_HASH:=6fb158a108d96fb3e6a95311812c5ec4a489505bd28b6722baaabc1f794fa99c
 
 PKG_LICENSE:=GPL3.0+
 PKG_MAINTAINER:=Joseph Mory <morytyann@gmail.com>
@@ -16,7 +16,7 @@ PKG_BUILD_DEPENDS:=golang/host
 PKG_BUILD_PARALLEL:=1
 PKG_BUILD_FLAGS:=no-mips16
 
-PKG_BUILD_VERSION:=alpha-86c127d
+PKG_BUILD_VERSION:=alpha-bb8c47d
 PKG_BUILD_TIME:=$(shell date -u -Iseconds)
 
 GO_PKG:=github.com/metacubex/mihomo
diff --git a/nikki/files/nikki.init b/nikki/files/nikki.init
index 4428ddc67..5b4dcba98 100644
--- a/nikki/files/nikki.init
+++ b/nikki/files/nikki.init
@@ -51,6 +51,17 @@ start_service() {
 	config_get_bool test_profile "config" "test_profile" 0
 	config_get_bool fast_reload "config" "fast_reload" 0
 	## mixin config
+	### overwrite
+	local overwrite_authentication overwrite_tun_dns_hijack overwrite_fake_ip_filter overwrite_hosts overwrite_dns_nameserver overwrite_dns_nameserver_policy overwrite_sniffer_sniff overwrite_sniffer_force_domain_name overwrite_sniffer_ignore_domain_name
+	config_get_bool overwrite_authentication "mixin" "authentication" 0
+	config_get_bool overwrite_tun_dns_hijack "mixin" "tun_dns_hijack" 0
+	config_get_bool overwrite_fake_ip_filter "mixin" "fake_ip_filter" 0
+	config_get_bool overwrite_hosts "mixin" "hosts" 0
+	config_get_bool overwrite_dns_nameserver "mixin" "dns_nameserver" 0
+	config_get_bool overwrite_dns_nameserver_policy "mixin" "dns_nameserver_policy" 0
+	config_get_bool overwrite_sniffer_force_domain_name "mixin" "sniffer_force_domain_name" 0
+	config_get_bool overwrite_sniffer_ignore_domain_name "mixin" "sniffer_ignore_domain_name" 0
+	config_get_bool overwrite_sniffer_sniff "mixin" "sniffer_sniff" 0
 	### mixin file content
 	local mixin_file_content
 	config_get_bool mixin_file_content "mixin" "mixin_file_content" 0
@@ -94,6 +105,33 @@ start_service() {
 	fi
 	# mixin
 	log "Mixin" "Mixin config."
+	if [ "$overwrite_authentication" == 1 ]; then
+		yq -M -i 'del(.authentication)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_tun_dns_hijack" == 1 ]; then
+		yq -M -i 'del(.tun.dns-hijack)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_fake_ip_filter" == 1 ]; then
+		yq -M -i 'del(.dns.fake-ip-filter)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_hosts" == 1 ]; then
+		yq -M -i 'del(.hosts)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_dns_nameserver" == 1 ]; then
+		yq -M -i 'del(.dns.default-nameserver) | del(.dns.proxy-server-nameserver) | del(.dns.direct-nameserver) | del(.dns.nameserver) | del(.dns.fallback) ' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_dns_nameserver_policy" == 1 ]; then
+		yq -M -i 'del(.dns.nameserver-policy)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_sniffer_force_domain_name" == 1 ]; then
+		yq -M -i 'del(.sniffer.force-domain)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_sniffer_ignore_domain_name" == 1 ]; then
+		yq -M -i 'del(.sniffer.skip-domain)' "$RUN_PROFILE_PATH"
+	fi
+	if [ "$overwrite_sniffer_sniff" == 1 ]; then
+		yq -M -i 'del(.sniffer.sniff)' "$RUN_PROFILE_PATH"
+	fi
 	if [ "$mixin_file_content" == 0 ]; then
 		ucode -S "$MIXIN_UC" | yq -M -p json -o yaml | yq -M -i ea '... comments="" | . as $item ireduce ({}; . * $item ) | .rules = .nikki-rules + .rules | del(.nikki-rules)' "$RUN_PROFILE_PATH" -
 	elif [ "$mixin_file_content" == 1 ]; then
@@ -318,26 +356,41 @@ update_subscription() {
 	config_get subscription_url "$subscription_section" "url"
 	config_get subscription_user_agent "$subscription_section" "user_agent"
 	# reset subscription info
-	uci_remove "nikki" "$subscription_section" "expire"
-	uci_remove "nikki" "$subscription_section" "upload"
-	uci_remove "nikki" "$subscription_section" "download"
-	uci_remove "nikki" "$subscription_section" "total"
-	uci_remove "nikki" "$subscription_section" "used"
-	uci_remove "nikki" "$subscription_section" "avaliable"
-	uci_remove "nikki" "$subscription_section" "update"
-	uci_remove "nikki" "$subscription_section" "success"
+	uci_remove "nikki" "$subscription_section" "expire" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "upload" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "download" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "total" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "used" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "avaliable" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "update" > /dev/null 2>&1
+	uci_remove "nikki" "$subscription_section" "success" > /dev/null 2>&1
 	# update subscription
 	log "Profile" "Update subscription: $subscription_name."
+	local success
 	local subscription_header_tmpfile; subscription_header_tmpfile="$TEMP_DIR/$subscription_section.header"
 	local subscription_tmpfile; subscription_tmpfile="$TEMP_DIR/$subscription_section.yaml"
 	local subscription_file; subscription_file="$SUBSCRIPTIONS_DIR/$subscription_section.yaml"
 	if (curl -s -f --connect-timeout 15 --retry 3 -L -X GET -A "$subscription_user_agent" -D "$subscription_header_tmpfile" -o "$subscription_tmpfile" "$subscription_url"); then
+		log "Profile" "Subscription download successful."
+		if (yq -p yaml -o yaml "$subscription_tmpfile" > /dev/null 2>&1); then
+			log "Profile" "Subscription is valid."
+			success=1
+		else
+			log "Profile" "Subscription is not valid."
+			success=0
+		fi
+	else
+		log "Profile" "Subscription download failed."
+		success=0
+	fi
+	# check if success
+	if [ "$success" == 1 ]; then
 		log "Profile" "Subscription update successful."
 		local subscription_expire subscription_upload subscription_download subscription_total subscription_used subscription_avaliable
-		subscription_expire=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -o -E "expire=[[:digit:]]+" | cut -d '=' -f 2)
-		subscription_upload=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -o -E "upload=[[:digit:]]+" | cut -d '=' -f 2)
-		subscription_download=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -o -E "download=[[:digit:]]+" | cut -d '=' -f 2)
-		subscription_total=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -o -E "total=[[:digit:]]+" | cut -d '=' -f 2)
+		subscription_expire=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -i -o -E "expire=[[:digit:]]+" | cut -d '=' -f 2)
+		subscription_upload=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -i -o -E "upload=[[:digit:]]+" | cut -d '=' -f 2)
+		subscription_download=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -i -o -E "download=[[:digit:]]+" | cut -d '=' -f 2)
+		subscription_total=$(grep -i "subscription-userinfo: " "$subscription_header_tmpfile" | grep -i -o -E "total=[[:digit:]]+" | cut -d '=' -f 2)
 		if [[ -n "$subscription_upload" && -n "$subscription_download" ]]; then
 			subscription_used=$((subscription_upload + subscription_download))
 			if [ -n "$subscription_total" ]; then
@@ -368,7 +421,7 @@ update_subscription() {
 		# update subscription file
 		rm -f "$subscription_header_tmpfile"
 		mv -f "$subscription_tmpfile" "$subscription_file"
-	else
+	elif [ "$success" == 0 ]; then
 		log "Profile" "Subscription update failed."
 		# update subscription info
 		uci_set "nikki" "$subscription_section" "success" "0"
diff --git a/nikki/files/scripts/debug.sh b/nikki/files/scripts/debug.sh
index 6ca706eb8..e8d84fe3d 100644
--- a/nikki/files/scripts/debug.sh
+++ b/nikki/files/scripts/debug.sh
@@ -171,11 +171,11 @@ function desensitize_profile() {
 		}
 		if (exists(profile, "proxy-providers")) {
 			for (let x in profile["proxy-providers"]) {
-				if (exists(x, "url")) {
-					x["url"] = "*";
+				if (exists(profile["proxy-providers"][x], "url")) {
+					profile["proxy-providers"][x]["url"] = "*";
 				}
-				if (exists(x, "payload")) {
-					desensitize_proxies(x["payload"]);
+				if (exists(profile["proxy-providers"][x], "payload")) {
+					desensitize_proxies(profile["proxy-providers"][x]["payload"]);
 				}
 			}
 		}