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 5aa293a..2da7242 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
@@ -11,6 +11,8 @@ import com.common.serialport.utils.HexUtils
 import com.yinuo.library.vlc.TxtOverlay
 import com.yinuo.library.vlc.utils.LogUtils
 import com.yinuo.safetywatcher.watcher.constant.GAS_CLOUD_UPLOAD_SIZE_ONCE
+import com.yinuo.safetywatcher.watcher.constant.getGasHighThreshold
+import com.yinuo.safetywatcher.watcher.constant.getGasLowThreshold
 import com.yinuo.safetywatcher.watcher.net.DevicesApi
 import com.yinuo.safetywatcher.watcher.port.cmd.CH4
 import com.yinuo.safetywatcher.watcher.port.cmd.CO
@@ -92,11 +94,11 @@ object ParseHelper {
         LogUtils.v("receive msg, unitBinaryString 3 = $unitBinaryString")
 
         //小数点
-        val subSequence = unitBinaryString.subSequence(8, 12)
+        val subSequence = unitBinaryString.subSequence(8, 12).reversed()
         val pointNum = ResponseHelper.getPointNum(subSequence)
         LogUtils.v("receive msg, 小数点 = $subSequence，$pointNum")
         // 单位
-        val subSequence2 = unitBinaryString.subSequence(12, 16)
+        val subSequence2 = unitBinaryString.subSequence(12, 16).reversed()
         val unit = ResponseHelper.getGasUnit(subSequence2)
         LogUtils.v("receive msg, 单位 = $subSequence2，$unit")
 
@@ -149,9 +151,9 @@ object ParseHelper {
      */
     private fun insertGasData(gasType: String, value: Double, unit: String, rangHexLong: Long) {
         GlobalScope.launch {
-            // TODO 阈值范围
-            val min = 0.0
-            val max = 0.0
+            // 阈值范围
+            val min = getGasLowThreshold(gasType).toDouble()
+            val max = getGasHighThreshold(gasType).toDouble()
 
             // 存储量程最大值
             MMKVUtils.put("range_${gasType}", "0$unit~$rangHexLong$unit")
@@ -162,7 +164,7 @@ object ParseHelper {
             val gasDao = DBUtils.gasDao()
             gasDao.insert(gas)
 
-            // TODO 告警处理
+            // 告警处理
             val warningDao = DBUtils.warningDao()
             val warning = warningDao.findLatestByName(gasType)
             if (value < min || value > max) {
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/cmd/ResponseHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/cmd/ResponseHelper.kt
index 846e519..599bb22 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/cmd/ResponseHelper.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/cmd/ResponseHelper.kt
@@ -5,7 +5,7 @@ object ResponseHelper {
      * 小数点个数
      */
     fun getPointNum(sequence: CharSequence): Int {
-        return when (sequence) {
+        return when (sequence.toString()) {
             "0000" -> 0
             "0100" -> 1
             "1000" -> 2
@@ -18,7 +18,7 @@ object ResponseHelper {
      * 气体单位
      */
     fun getGasUnit(sequence: CharSequence): String {
-        return when (sequence) {
+        return when (sequence.toString()) {
             "0000" -> "ppm"
             "0010" -> "%LEL"
             "0100" -> "%VOL"