diff --git a/OUTPUT/K53L_SW0103.mot b/OUTPUT/K53L_SW0103.mot
new file mode 100644
index 0000000..c9d0d61
--- /dev/null
+++ b/OUTPUT/K53L_SW0103.mot
@@ -0,0 +1,144 @@
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diff --git a/OUTPUT/K53R_SW0103.mot b/OUTPUT/K53R_SW0103.mot
new file mode 100644
index 0000000..daee503
--- /dev/null
+++ b/OUTPUT/K53R_SW0103.mot
@@ -0,0 +1,144 @@
+S00E00004B383020202020206D6F744E
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diff --git a/OUTPUT/更改履历.txt b/OUTPUT/更改履历.txt
index 0c07c36..99558c5 100644
--- a/OUTPUT/更改履历.txt
+++ b/OUTPUT/更改履历.txt
@@ -1 +1,3 @@
-SW0101 初版
\ No newline at end of file
+SW0101 初版
+SW0102 增加15分钟关闭按摩
+SW0103 增加25分钟关闭通风加热
\ No newline at end of file
diff --git a/appTask.c b/appTask.c
index edd3cde..4846412 100644
--- a/appTask.c
+++ b/appTask.c
@@ -11,7 +11,7 @@
 uint8_t g_rx_buf[3];
 
 extern uint16_t g_AdVal[3];
-uint16_t am_counter;
+uint16_t am_counter,fan_counter,heat_counter;
 
 void HardWare_Init(void)
 {
@@ -338,6 +338,44 @@ void AppTask(void)
             }
             
         }
+        else
+        {
+            am_counter = 0;
+        }
+
+        if (fan_state != 0)
+        {
+            fan_counter++;
+            if (fan_counter >= 1500)//25min
+            {
+                fan_counter = 0;
+                fan_state = 0;
+                fan_txstate = 0;
+                UART_Tx_Pro(KEY_FAN);
+            }
+            
+        }
+        else
+        {
+            fan_counter = 0;
+        }
+
+        if (heat_state != 0)
+        {
+            heat_counter++;
+            if (heat_counter >= 1500)//25min
+            {
+                heat_counter = 0;
+                heat_state = 0;
+                heat_txstate = 0;
+                UART_Tx_Pro(KEY_JR);
+            }
+        }
+        else
+        {
+            heat_counter = 0;
+        }
+        
         
     }
     
diff --git a/hwCtrl.c b/hwCtrl.c
index fcc7d1b..26227b2 100644
--- a/hwCtrl.c
+++ b/hwCtrl.c
@@ -6,7 +6,7 @@
 
 #define K74L    1
 #define K74R    2
-#define BOARD   K74R    
+#define BOARD   K74L