diff --git a/app/src/main/java/com/casic/br/view/device/RangeHoodActivity.kt b/app/src/main/java/com/casic/br/view/device/RangeHoodActivity.kt
index 12d120d..071b55a 100644
--- a/app/src/main/java/com/casic/br/view/device/RangeHoodActivity.kt
+++ b/app/src/main/java/com/casic/br/view/device/RangeHoodActivity.kt
@@ -36,6 +36,8 @@
     private val inflater by lazy { LayoutInflater.from(this) }
     private var fragmentPages: ArrayList<Fragment> = ArrayList()
     private lateinit var deviceInstance: ITuyaDevice
+    private var isWorking = false
+    private var isDelayed = false
 
     override fun initLayoutView(): Int = R.layout.activity_range_hood
 
@@ -81,8 +83,6 @@
             override fun onDpUpdate(devId: String?, dpStr: String?) {
                 Log.d(kTag, "onDpUpdate: $dpStr")
                 val parseObject = JSONObject.parseObject(dpStr)
-                var isWorking = false
-                var isDelayed = false
                 parseObject.keys.forEach {
                     when (it) {
                         "1" -> {
@@ -92,12 +92,15 @@
                             isDelayed = parseObject[it] as Boolean
                         }
                         "105" -> {
-                            delayTimeView.text =
-                                if (isWorking && isDelayed) {
+                            if (isWorking) {
+                                delayTimeView.text = if (isDelayed) {
                                     String.format("${parseObject[it].toString()}s")
                                 } else {
                                     "0s"
                                 }
+                            } else {
+                                delayTimeView.text = "未开启"
+                            }
                         }
                     }
                 }