diff --git a/Hyt2/APP/Device/device_Other/device_heat.c b/Hyt2/APP/Device/device_Other/device_heat.c
index e2bed31..c3e5445 100644
--- a/Hyt2/APP/Device/device_Other/device_heat.c
+++ b/Hyt2/APP/Device/device_Other/device_heat.c
@@ -378,10 +378,10 @@ static void ptz_heat_collect_adc1_task()
         // ntc1温度异常
         if (m_heatData.ext_ntc1 < -90 && m_heatData.ext_ntc2 >= -90) {
             //判定是否需要加热
-            if (m_heatData.ext_ntc2 < -25) {
+            if (m_heatData.ext_ntc2 < -20) {
                 startHeat();
             }
-            else if (m_heatData.ext_ntc2 > -15) {
+            else if (m_heatData.ext_ntc2 > -10) {
                 closeHeat();
             }
         }
@@ -389,10 +389,10 @@ static void ptz_heat_collect_adc1_task()
         // ntc2温度异常
         else if (m_heatData.ext_ntc2 < -90 && m_heatData.ext_ntc1 >= -90) {
             //判定是否需要加热
-            if (m_heatData.ext_ntc1 < -25) {
+            if (m_heatData.ext_ntc1 < -20) {
                 startHeat();
             }
-            else if (m_heatData.ext_ntc1 > -15) {
+            else if (m_heatData.ext_ntc1 > -10) {
                 closeHeat();
             }
         }
@@ -400,10 +400,10 @@ static void ptz_heat_collect_adc1_task()
         // ntc1、2都温度异常
         else {
             //判定是否需要加热
-            if (g_ptz.temperature < -25 || g_ptz.temperature < -25) {
+            if (g_ptz.temperature < -20 || g_ptz.temperature < -20) {
                 startHeat();
             }
-            else if (g_ptz.temperature > -15 && g_ptz.temperature > -15) {
+            else if (g_ptz.temperature > -10 && g_ptz.temperature > -10) {
                 closeHeat();
             }
         }
@@ -411,10 +411,10 @@ static void ptz_heat_collect_adc1_task()
     }
     else {    
         //判定是否需要加热
-        if (m_heatData.ext_ntc1 < -25 || m_heatData.ext_ntc2 < -25) {
+        if (m_heatData.ext_ntc1 < -20 || m_heatData.ext_ntc2 < -20) {
             startHeat();
         }
-        else if (m_heatData.ext_ntc1 > -15 && m_heatData.ext_ntc2 > -15) {
+        else if (m_heatData.ext_ntc1 > -10 && m_heatData.ext_ntc2 > -10) {
             closeHeat();
         }
     }