diff --git a/app/jj_param.c b/app/jj_param.c
index d5fb726..727c609 100644
--- a/app/jj_param.c
+++ b/app/jj_param.c
@@ -10,6 +10,7 @@ soft_iic_info_struct eeprom_param;
 TYPE_UNION iic_buffer[DATA_IN_FLASH_NUM];
 TYPE_UNION tiny_frame_param[20];
 uint32_t *addre[2];
+float auto_exp;
 /**
  * @brief 参数初始化注册
  *
@@ -28,6 +29,7 @@ void jj_param_eeprom_init(void)
     PARAM_REG(aim_straight, &straight_aim, EFLOAT, 1, "str:");
     PARAM_REG(aim_turn, &turn_aim, EFLOAT, 1, "tur:");
     PARAM_REG(baoguang, &FIX_BINTHRESHOLD, EFLOAT, 1, "bao:");
+    PARAM_REG(auto_exp_param, &auto_exp, EFLOAT, 1, "exp:");
     jj_param_read(); // 注冊
 }
 /**
diff --git a/app/jj_param.h b/app/jj_param.h
index fc23266..e9b3673 100644
--- a/app/jj_param.h
+++ b/app/jj_param.h
@@ -29,7 +29,7 @@ typedef enum {
     Page2_head,
     // 第二页参数
     baoguang = Page2_head,
-
+    auto_exp_param,
     Page3_head,
     DATA_IN_FLASH_NUM,
 
@@ -65,4 +65,5 @@ void jj_param_eeprom_init(void);
 void jj_param_write(void);
 void jj_param_read(void);
 extern float data7;
+extern float auto_exp;
 #endif
\ No newline at end of file
diff --git a/app/main.c b/app/main.c
index 5aead52..0467c6f 100644
--- a/app/main.c
+++ b/app/main.c
@@ -29,6 +29,7 @@
 #include "by_led.h"
 #include "jj_param.h"
 #include "jj_blueteeth.h"
+#include "zf_device_config.h"
 
 int main(void)
 {
@@ -36,7 +37,7 @@ int main(void)
     clock_init(SYSTEM_CLOCK_144M);
     system_delay_init();
     debug_init();
-    mt9v03x_init();
+
     ips200_init(IPS200_TYPE_SPI);
 
     by_led_init();
@@ -46,6 +47,9 @@ int main(void)
     jj_bt_init();
     jj_param_eeprom_init();
 
+    mt9v03x_init();
+    mt9v03x_sccb_set_exposure_time((uint8_t)auto_exp);
+
     Page_Init();
 
     pit_ms_init(TIM1_PIT, 10);
diff --git a/app/page/page.c b/app/page/page.c
index 90c663b..b6146af 100644
--- a/app/page/page.c
+++ b/app/page/page.c
@@ -130,7 +130,7 @@ void Page_Init(void)
     PAGE_REG(page_menu, "main");
     PAGE_REG(page_rtcam, "rtcam");
     PAGE_REG(page_param1, "aim_param");
-    PAGE_REG(page_param2, "param2");
+    PAGE_REG(page_param2, "exp");
     PAGE_REG(page_dparam, "dparam");
     PAGE_REG(page_reset, "reset");
     // PAGE_REG(page_argv);
diff --git a/app/page/page_sparam1.c b/app/page/page_sparam1.c
index 4661ab0..e369ec3 100644
--- a/app/page/page_sparam1.c
+++ b/app/page/page_sparam1.c
@@ -33,7 +33,7 @@ static void Setup()
     } else if (Get_new_page() == page_param2) {
         pafrist = Page2_head;
         paend   = Page3_head;
-        ips200_show_string(0, 0, "Param2");
+        ips200_show_string(0, 0, "exp");
     }
 
     palong = paend - pafrist;
diff --git a/app/page/page_sparam2.c b/app/page/page_sparam2.c
index c8218a0..8b260ea 100644
--- a/app/page/page_sparam2.c
+++ b/app/page/page_sparam2.c
@@ -33,7 +33,7 @@ static void Setup()
     } else if (Get_new_page() == page_param2) {
         pafrist = Page2_head;
         paend   = Page3_head;
-        ips200_show_string(0, 0, "Param2");
+        ips200_show_string(0, 0, "exp");
     }
 
     palong = paend - pafrist;
@@ -100,6 +100,7 @@ static void Event(page_event event)
             return;
         } else if (page_event_press_long == event) {
             jj_param_write();
+            mt9v03x_set_exposure_time(auto_exp);
             Page_Shift(page_menu);
             return;
         }