diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/base/BaseActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/base/BaseActivity.kt
index 2af550d..51bc31b 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/base/BaseActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/base/BaseActivity.kt
@@ -24,9 +24,11 @@ import com.loper7.date_time_picker.number_picker.NumberPicker
 import com.yinuo.safetywatcher.R
 import com.yinuo.safetywatcher.databinding.ActivityBaseBinding
 import com.yinuo.safetywatcher.watcher.constant.NAMESPACE_ANDROID
+import com.yinuo.safetywatcher.watcher.net.DevicesApi
 import com.yinuo.safetywatcher.watcher.ui.view.CommonDialog
 import com.yinuo.safetywatcher.watcher.ui.view.CommonTopBar
 import com.yinuo.safetywatcher.watcher.utils.GPIOUtils
+import com.yinuo.safetywatcher.watcher.utils.LztekUtil
 import com.yinuo.safetywatcher.watcher.utils.PlatformUtils
 import com.yinuo.safetywatcher.watcher.utils.RecordHelper
 import com.yinuo.safetywatcher.watcher.utils.SoundUtils
@@ -51,6 +53,8 @@ abstract class BaseActivity : AppCompatActivity() {
 
     var lastFocusView: View? = null
 
+    var lastDialogCancelable = false
+
     override fun onCreate(savedInstanceState: Bundle?) {
         setViewFactory()
         super.onCreate(null)
@@ -139,6 +143,7 @@ abstract class BaseActivity : AppCompatActivity() {
             loadingDialog = CommonDialog(resId)
             loadingDialog!!.isCancelable = cancelable
             loadingDialog!!.show(supportFragmentManager, "loading")
+            lastDialogCancelable = cancelable
         }
     }
 
@@ -151,6 +156,7 @@ abstract class BaseActivity : AppCompatActivity() {
         lifecycleScope.launchWhenResumed {
             loadingDialog?.dismiss()
             loadingDialog = null
+            lastDialogCancelable = false
         }
     }
 
@@ -232,6 +238,9 @@ abstract class BaseActivity : AppCompatActivity() {
     var isLeftRightLongPress = false
     override fun dispatchKeyEvent(event: KeyEvent): Boolean {
 //        LogUtils.w("cyy dispatchKeyEvent keyCode = ${event?.keyCode} count = ${event?.repeatCount} acton = ${event?.action}")
+        if (lastDialogCancelable){
+            closeLoadingDialog()
+        }
         val action = event.action
         if (KeyEvent.ACTION_DOWN == action) {
             return dealActionDown(event)
@@ -291,7 +300,19 @@ abstract class BaseActivity : AppCompatActivity() {
         return super.dispatchKeyEvent(event)
     }
 
+    private val devicesApi by lazy {
+        DevicesApi()
+    }
+
     open fun onSosHelp(sos: Boolean = true) {
+        // 不重复上报true状态
+        if (sos && LztekUtil.isSosing()){
+            return
+        }
+        LztekUtil.setSosStatus(sos)
+        GlobalScope.launch(Dispatchers.IO) {
+            devicesApi.sendSosAlarm()
+        }
     }
 
     fun showVoiceArea() {
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/bean/SosSnReq.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/bean/SosSnReq.kt
new file mode 100644
index 0000000..4bb0332
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/bean/SosSnReq.kt
@@ -0,0 +1,3 @@
+package com.yinuo.safetywatcher.watcher.bean
+
+data class SosSnReq(val deviceSn:String = "", val sosStatus:Int = 1)
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/net/DevicesApi.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/net/DevicesApi.kt
index a591dd9..2305c65 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/net/DevicesApi.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/net/DevicesApi.kt
@@ -8,6 +8,7 @@ import com.yinuo.safetywatcher.watcher.bean.GasReqBean
 import com.yinuo.safetywatcher.watcher.bean.GasRequest
 import com.yinuo.safetywatcher.watcher.bean.GetRtspUrlResponse
 import com.yinuo.safetywatcher.watcher.bean.LastTimeResponse
+import com.yinuo.safetywatcher.watcher.bean.SosSnReq
 import com.yinuo.safetywatcher.watcher.bean.TrafficReqInfo
 import com.yinuo.safetywatcher.watcher.utils.LztekUtil
 import com.yinuo.safetywatcher.watcher.utils.SimHelper
@@ -24,7 +25,10 @@ import retrofit2.http.Query
 class DevicesApi : BaseObserve<DevicesApi.Api>(Api::class.java) {
 
     fun heartBeat(sn: String) {
-        observe(api.heartBeat(sn), object : RequestNoResultCallBack<BaseResponse>() {
+        // 1sos关闭  2sos打开
+        val sosStatus = if (LztekUtil.isSosing()) 2 else 1
+        val sosReq = SosSnReq(sn, sosStatus)
+        observe(api.heartBeat(sosReq), object : RequestNoResultCallBack<BaseResponse>() {
             override fun onResult(result: BaseResponse) {
                 super.onResult(result)
                 SimHelper.setNetStatus(true)
@@ -90,11 +94,19 @@ class DevicesApi : BaseObserve<DevicesApi.Api>(Api::class.java) {
         return null
     }
 
+    fun sendSosAlarm() {
+        if (SimHelper.isNetOk()) {
+            // 1sos关闭  2sos打开
+            val sosStatus = if (LztekUtil.isSosing()) 2 else 1
+            val sosReq = SosSnReq(LztekUtil.getSn(), sosStatus)
+            observe(api.sendSosAlarm(sosReq), null)
+        }
+    }
+
     interface Api {
         @Headers("baseurl:host")
-        @GET("/api/device/refresh")
-        fun heartBeat(@Query("deviceSn") sn: String): Observable<BaseResponse>
-
+        @POST("/api/device/refresh")
+        fun heartBeat(@Body body: SosSnReq): Observable<BaseResponse>
 
         @Headers("baseurl:host")
         @GET("/api/device/getRtspUrl")
@@ -115,5 +127,9 @@ class DevicesApi : BaseObserve<DevicesApi.Api>(Api::class.java) {
         @Headers("baseurl:host")
         @GET("/api/device/getVideoLastTime")
         suspend fun getVideoLastTime(@Query("deviceSn") sn: String): LastTimeResponse
+
+        @Headers("baseurl:host")
+        @POST("/api/device/sendSosAlarm")
+        fun sendSosAlarm(@Body body: SosSnReq): Observable<BaseResponse>
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt
index aa82faf..e40b672 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt
@@ -117,8 +117,12 @@ object ParseHelper {
             c18.plus(c17).plus(java.lang.Long.toBinaryString(valueHexLong)).toInt(2) / 10f.pow(
                 pointNum
             )
+        // 初始化的前20s钟，浓度强制设置成0，避免开机就显示浓度满量程
         if (!GasPortUtils.isInitOver20Second()) {
-            value = 0f
+            // 氧气特殊处理，氧气为0会报警，氧气不置0
+            if (type != GasTypeEnum.TYPE_O2){
+                value = 0f
+            }
         }
         // 量程
         val rangHex: String = HexUtils.byteArrToHex(it, 25, 25 + 4)
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt
index dbb0e97..74fed9b 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt
@@ -313,18 +313,14 @@ class HomeActivity : NoOptionsActivity() {
         Process.killProcess(Process.myPid())
     }
 
-    private var sosShow = false
     override fun onSosHelp(sos: Boolean) {
         super.onSosHelp(sos)
-        if (sosShow == sos) {
-            return
-        }
-        if (sos && !sosShow) {
-            sosShow = true
-            mBinding.tvSos.visibility = View.VISIBLE
+        if (sos) {
+            if (mBinding.tvSos.visibility == View.GONE) {
+                mBinding.tvSos.visibility = View.VISIBLE
+            }
         } else {
-            if (sosShow) {
-                sosShow = false
+            if (mBinding.tvSos.visibility == View.VISIBLE) {
                 mBinding.tvSos.visibility = View.GONE
             }
         }
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
index f69c592..3a524be 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
@@ -21,6 +21,16 @@ object LztekUtil {
 
     private var rtspUrl: String? = ""
 
+    private var sosing = false
+
+    fun setSosStatus(status: Boolean) {
+        sosing = status
+    }
+
+    fun isSosing(): Boolean {
+        return sosing
+    }
+
     fun setObject(value: Lztek) {
         mLztek = value
         mLztek?.hideNavigationBar()