diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasConstants.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasConstants.kt
index 3632e41..8f217d3 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasConstants.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/GasConstants.kt
@@ -59,8 +59,8 @@ const val HF_MAX_PPM = 4.4f
 const val C02_MIN_PPM = 1000f
 const val C02_MAX_PPM = 2000f
 //?? TODO VOCS
-const val VOCS_MIN_MGM3 = 0.5f
-const val VOCS_MAX_MGM3 = 1f
+const val VOCS_MIN_MGM3 = 0.6f
+const val VOCS_MAX_MGM3 = 1.2f
 
 // 单位
 const val UNIT_VOL = "%VOL"