diff --git a/reactor-plc/plc.lua b/reactor-plc/plc.lua
index 7287d3d..c5e6be3 100644
--- a/reactor-plc/plc.lua
+++ b/reactor-plc/plc.lua
@@ -37,14 +37,17 @@ function plc.load_config()
 
     config.Networked = settings.get("Networked")
     config.UnitID = settings.get("UnitID")
+
     config.EmerCoolEnable = settings.get("EmerCoolEnable")
     config.EmerCoolSide = settings.get("EmerCoolSide")
     config.EmerCoolColor = settings.get("EmerCoolColor")
+
     config.SVR_Channel = settings.get("SVR_Channel")
     config.PLC_Channel = settings.get("PLC_Channel")
     config.ConnTimeout = settings.get("ConnTimeout")
     config.TrustedRange = settings.get("TrustedRange")
     config.AuthKey = settings.get("AuthKey")
+
     config.LogMode = settings.get("LogMode")
     config.LogPath = settings.get("LogPath")
     config.LogDebug = settings.get("LogDebug")
@@ -71,6 +74,7 @@ function plc.load_config()
     end
 
     cfv.assert_type_int(config.LogMode)
+    cfv.assert_range(config.LogMode, 0, 1)
     cfv.assert_type_str(config.LogPath)
     cfv.assert_type_bool(config.LogDebug)
 
diff --git a/reactor-plc/startup.lua b/reactor-plc/startup.lua
index 1e066d0..c79909a 100644
--- a/reactor-plc/startup.lua
+++ b/reactor-plc/startup.lua
@@ -18,7 +18,7 @@ local plc       = require("reactor-plc.plc")
 local renderer  = require("reactor-plc.renderer")
 local threads   = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v1.6.9"
+local R_PLC_VERSION = "v1.6.10"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/rtu/rtu.lua b/rtu/rtu.lua
index b76ce30..da25523 100644
--- a/rtu/rtu.lua
+++ b/rtu/rtu.lua
@@ -41,6 +41,9 @@ function rtu.load_config()
     local cfv = util.new_validator()
 
     cfv.assert_type_num(config.SpeakerVolume)
+    cfv.assert_min(config.SpeakerVolume, 0.0)
+    cfv.assert_max(config.SpeakerVolume, 3.0)
+
     cfv.assert_channel(config.SVR_Channel)
     cfv.assert_channel(config.RTU_Channel)
     cfv.assert_type_num(config.ConnTimeout)
@@ -55,6 +58,7 @@ function rtu.load_config()
     end
 
     cfv.assert_type_int(config.LogMode)
+    cfv.assert_range(config.LogMode, 0, 1)
     cfv.assert_type_str(config.LogPath)
     cfv.assert_type_bool(config.LogDebug)
 
diff --git a/rtu/startup.lua b/rtu/startup.lua
index 0a3753d..2d50f31 100644
--- a/rtu/startup.lua
+++ b/rtu/startup.lua
@@ -31,7 +31,7 @@ local sna_rtu      = require("rtu.dev.sna_rtu")
 local sps_rtu      = require("rtu.dev.sps_rtu")
 local turbinev_rtu = require("rtu.dev.turbinev_rtu")
 
-local RTU_VERSION = "v1.7.11"
+local RTU_VERSION = "v1.7.12"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE
diff --git a/supervisor/supervisor.lua b/supervisor/supervisor.lua
index 755893f..7b2b87e 100644
--- a/supervisor/supervisor.lua
+++ b/supervisor/supervisor.lua
@@ -69,6 +69,7 @@ function supervisor.load_config()
     cfv.assert_min(config.PKT_Timeout, 2)
 
     cfv.assert_type_num(config.TrustedRange)
+    cfv.assert_min(config.TrustedRange, 0)
 
     if type(config.AuthKey) == "string" then
         local len = string.len(config.AuthKey)
@@ -76,6 +77,7 @@ function supervisor.load_config()
     end
 
     cfv.assert_type_int(config.LogMode)
+    cfv.assert_range(config.LogMode, 0, 1)
     cfv.assert_type_str(config.LogPath)
     cfv.assert_type_bool(config.LogDebug)