diff --git a/release/config/sing-box.service b/release/config/sing-box.service
index 16ca0a32..756f5be4 100644
--- a/release/config/sing-box.service
+++ b/release/config/sing-box.service
@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/bin/sing-box run -c /etc/sing-box/config.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity
diff --git a/release/config/sing-box@.service b/release/config/sing-box@.service
index 44925767..c480c3fb 100644
--- a/release/config/sing-box@.service
+++ b/release/config/sing-box@.service
@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box-%i
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/bin/sing-box run -c /etc/sing-box/%i.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity
diff --git a/release/local/sing-box.service b/release/local/sing-box.service
index 2ea74bf1..86e3b22f 100644
--- a/release/local/sing-box.service
+++ b/release/local/sing-box.service
@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/local/bin/sing-box run -c /usr/local/etc/sing-box/config.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity