diff --git a/src/composables/useShockman.js b/src/composables/useShockman.js
index 685ccfc..bf31724 100644
--- a/src/composables/useShockman.js
+++ b/src/composables/useShockman.js
@@ -39,6 +39,9 @@ export const isZhiluji = () => {
 
 const sendMsg2Shockman = async ({ progMode, progText1, progText2, progDist, progAngel }) => {
   try {
+    const store = useStore()
+    const { device } = storeToRefs(store)
+    const progArmNo = device.value.controlInfo?.masterArm || 1
     const deviceKey = 'shockman!_$2023'
     const body = new FormData()
     body.append('deviceKey', deviceKey)
@@ -50,11 +53,11 @@ const sendMsg2Shockman = async ({ progMode, progText1, progText2, progDist, prog
     body.append('progDist', progDist)
     body.append('progDistColor', '6')
     body.append('progAngel', progAngel)
-    body.append('progArmNo', '1')
+    body.append('progArmNo', `${progArmNo}`)
     body.append('progRota', '1')
     body.append('progTrans', '1')
     body.append('progDuration', '7200000')
-    body.append('progMd5', MD5(`${progMode}${progText1}6${progText2}6${progDist}6${progAngel}1117200000${deviceKey}`).toString().toUpperCase())
+    body.append('progMd5', MD5(`${progMode}${progText1}6${progText2}6${progDist}6${progAngel}${progArmNo}117200000${deviceKey}`).toString().toUpperCase())
     body.append('progStat', '1')
     const res = await fetch('http://192.168.2.124:8100/program/play', { method: 'POST', body })
     const json = await res.json()