diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 14794a4..5279efb 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -160,9 +160,9 @@
 
             LocaleConstant.QUERY_METHANE_RESPONSE_CODE -> {
                 val ppm = msg.obj as Long
-                //LEL百分比 = (X / 10000) / 0.05 × 100% = X / 500
+                //通常，对于气体在空气中的浓度，我们可以认为10000ppm大约等于1%VOL
                 val formatValue = "%.2f".format(ppm / 10000f)
-                binding.currentGasValueView.text = "当前燃气浓度：${formatValue}% VOL"
+                binding.currentGasValueView.text = "当前燃气浓度：${formatValue}%VOL"
                 if (ppm > binding.thresholdView.text.toString().toFloat() * 10000) {
                     binding.currentGasValueView.setTextColor(Color.RED)
                     binding.currentGasValueView.typeface = Typeface.DEFAULT_BOLD
@@ -204,8 +204,9 @@
         }
 
         //回显甲烷默认阈值
-        val threshold =
-            SaveKeyValues.getValue(LocaleConstant.METHANE_DEFAULT_VALUE_KEY, 0.1f) as Float
+        val threshold = SaveKeyValues.getValue(
+            LocaleConstant.METHANE_DEFAULT_VALUE_KEY, 0.1f
+        ) as Float
         binding.thresholdView.setText(threshold.toString())
     }
 }
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