diff --git a/app/gl_cross.c b/app/gl_cross.c
index 0b6cbb8..3215737 100644
--- a/app/gl_cross.c
+++ b/app/gl_cross.c
@@ -6,17 +6,17 @@ bool far_Lpt0_found, far_Lpt1_found;
 int32_t Both_Boder_None_Cross;
 int far_Lpt0_rpts0s_id, far_Lpt1_rpts1s_id;
 int cross_easy = 0;
-int cross_open = 1;
+float cross_open = 1;
 
 void CheckCross()
 {
     bool Xfound = Lpt0_found && Lpt1_found;
-    if (cross_open == 0) {
+    if ((int)cross_open == 0) {
         if (cross_type == CROSS_NONE && Xfound) {
             cross_type = CROSS_BEGIN;
         }
     }
-    if (cross_open == 1) {
+    if ((int)cross_open == 1) {
         if (cross_type == CROSS_NONE && Xfound && cross_easy == 0) {
             cross_type = CROSS_BEGIN;
         }
diff --git a/app/gl_cross.h b/app/gl_cross.h
index 288bb05..4356318 100644
--- a/app/gl_cross.h
+++ b/app/gl_cross.h
@@ -10,7 +10,7 @@ enum cross_type_e {
 extern enum cross_type_e cross_type;
 extern int32_t Both_Boder_None_Cross;
 extern int far_Lpt0_rpts0s_id, far_Lpt1_rpts1s_id;
-extern int cross_open;
+extern float cross_open;
 
 void CheckCross(void);
 void RunCross(void); 
diff --git a/app/jj_param.c b/app/jj_param.c
index 797dc8c..5be7398 100644
--- a/app/jj_param.c
+++ b/app/jj_param.c
@@ -31,6 +31,7 @@ void jj_param_eeprom_init(void)
     PARAM_REG(baoguang, &FIX_BINTHRESHOLD, EFLOAT, 1, "bao:");
     PARAM_REG(auto_exp_param, &auto_exp, EFLOAT, 1, "exp:");
     PARAM_REG(barr_time, &barrirer_time, EFLOAT, 1, "bar:");
+    PARAM_REG(cross_sw, &cross_open, EFLOAT, 1, "cro_sw:");
     jj_param_read(); // 注冊
 }
 /**
diff --git a/app/jj_param.h b/app/jj_param.h
index e36f8d2..781e758 100644
--- a/app/jj_param.h
+++ b/app/jj_param.h
@@ -31,6 +31,7 @@ typedef enum {
     baoguang = Page2_head,
     auto_exp_param,
     barr_time,
+    cross_sw,
     Page3_head,
     DATA_IN_FLASH_NUM,
 
diff --git a/app/page/page_sparam1.c b/app/page/page_sparam1.c
index e369ec3..2f98774 100644
--- a/app/page/page_sparam1.c
+++ b/app/page/page_sparam1.c
@@ -83,9 +83,9 @@ static void Event(page_event event)
 
         Curser_Last = Curser;
         if (page_event_forward == event) {
-            Curser--; // 光标上移
+            Curser++; // 光标上移
         } else if (page_event_backward == event) {
-            Curser++; // 光标下移
+            Curser--; // 光标下移
         } else if (page_event_press_short == event) {
             event_flag = 1; // 选中参数
             Print_Curser(Curser, Curser_Last, RGB565_RED);
@@ -102,7 +102,7 @@ static void Event(page_event event)
         }
         Print_Curser(Curser, Curser_Last, RGB565_PURPLE);
     } else if (1 == event_flag) {
-        if (page_event_forward == event) {
+        if (page_event_backward  == event) {
             switch (Param_Data[Curser + pafrist - 1].type) {
                 case EFLOAT:
                     *((float *)(Param_Data[Curser + pafrist - 1].p_data)) += powf(10, index_power);
@@ -116,7 +116,7 @@ static void Event(page_event event)
                 default:
                     break;
             }
-        } else if (page_event_backward == event) {
+        } else if ( page_event_forward== event) {
             switch (Param_Data[Curser + pafrist - 1].type) {
                 case EFLOAT:
                     *((float *)(Param_Data[Curser + pafrist - 1].p_data)) -= powf(10.0f, (float)index_power);
diff --git a/app/page/page_sparam2.c b/app/page/page_sparam2.c
index 3edbc87..0414602 100644
--- a/app/page/page_sparam2.c
+++ b/app/page/page_sparam2.c
@@ -91,9 +91,9 @@ static void Event(page_event event)
 
         Curser_Last = Curser;
         if (page_event_forward == event) {
-            Curser--; // 光标上移
+            Curser++; // 光标上移
         } else if (page_event_backward == event) {
-            Curser++; // 光标下移
+            Curser--; // 光标下移
         } else if (page_event_press_short == event) {
             event_flag = 1; // 选中参数
             Print_Curser(Curser, Curser_Last, RGB565_RED);
@@ -111,7 +111,7 @@ static void Event(page_event event)
         }
         Print_Curser(Curser, Curser_Last, RGB565_PURPLE);
     } else if (1 == event_flag) {
-        if (page_event_forward == event) {
+        if (page_event_backward == event) {
             switch (Param_Data[Curser + pafrist - 1].type) {
                 case EFLOAT:
                     *((float *)(Param_Data[Curser + pafrist - 1].p_data)) += powf(10.0f, (float)index_power);
@@ -125,7 +125,7 @@ static void Event(page_event event)
                 default:
                     break;
             }
-        } else if (page_event_backward == event) {
+        } else if ( page_event_forward == event) {
             switch (Param_Data[Curser + pafrist - 1].type) {
                 case EFLOAT:
                     *((float *)(Param_Data[Curser + pafrist - 1].p_data)) -= powf(10.0f, (float)index_power);