diff --git a/src/core/osd.c b/src/core/osd.c
index 22ffdddd..c56aeb3b 100644
--- a/src/core/osd.c
+++ b/src/core/osd.c
@@ -263,9 +263,9 @@ uint8_t channel_osd_mode;
 
 char *channel2str(uint8_t band, uint8_t channel) // channel=[1:18]
 {
-    static char *ChannelName[2][10] = {
-        {"R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "F2", "F4"},
-        {"L1", "L2", "L3", "L4", "L5", "L6", "L7", "L8", "  ", "  "},
+    static char *ChannelName[2][12] = {
+        {"R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "E1", "F1", "F2", "F4"},
+        {"L1", "L2", "L3", "L4", "L5", "L6", "L7", "L8", "  ", "  ", "  ", "  "},
     };
 
     if ((channel > 0) && (channel <= CHANNEL_NUM))
diff --git a/src/driver/dm6302.c b/src/driver/dm6302.c
index cb3e70b5..acbbd3cd 100644
--- a/src/driver/dm6302.c
+++ b/src/driver/dm6302.c
@@ -14,7 +14,7 @@
 #include "i2c.h"
 #include "uart.h"
 
-#define WAIT(ms) usleep((ms)*1000)
+#define WAIT(ms) usleep((ms) * 1000)
 
 // DM6302: RF receiver
 /*  �����ź�:
@@ -135,7 +135,8 @@ void SPI_Write(uint8_t sel, uint8_t page, uint16_t addr, uint32_t dat) {
 }
 
 // ����Ƶ��
-uint32_t tab[3][18] = {
+uint32_t tab[3][20] = {
+    // 0x120
     {
         // race band
         0x3741,
@@ -146,9 +147,15 @@ uint32_t tab[3][18] = {
         0x390F,
         0x396C,
         0x39C8,
-        // fatshark band
-        0x3840,
-        0x38A4,
+
+        // e band
+        0x38DF, // E1
+
+        //  fatshark band
+        0x3938, // F1
+        0x3840, // F2
+        0x38A4, // F4
+
         // low band
         0x3574,
         0x35D2,
@@ -159,6 +166,7 @@ uint32_t tab[3][18] = {
         0x37AA,
         0x3809,
     },
+    // 0x104
     {
         // race band
         0x93,
@@ -169,9 +177,15 @@ uint32_t tab[3][18] = {
         0x98,
         0x99,
         0x9A,
+
+        // e band
+        0x94, // E1
+
         // fatshark band
-        0x96,
-        0x97,
+        0x95, // F1
+        0x96, // F2
+        0x97, // F4
+
         // low band
         0x8B,
         0x8C,
@@ -182,6 +196,7 @@ uint32_t tab[3][18] = {
         0x91,
         0x92,
     },
+    // 0x108
     {
         // race band
         0xB00000,
@@ -192,9 +207,15 @@ uint32_t tab[3][18] = {
         0x52AAAB,
         0x400000,
         0x2D5555,
+
+        // e band
+        0X122AAAB, // E1
+
         // fatshark band
-        0x000000,
-        0x155555,
+        0XF55555, // F1
+        0x000000, // F2
+        0x155555, // F4
+
         // low band
         0x1455555,
         0x132AAAB,
@@ -208,28 +229,31 @@ uint32_t tab[3][18] = {
 };
 
 void DM6302_SetChannel(uint8_t band, uint8_t ch) {
+    // band
+    // 1: lowband
+    // 0: race band
     if (band == 1)
-        ch = ch + 10;
+        ch = ch + 12;
     SPI_Write(0, 0x6, 0xFF0, 0x00000018);
     SPI_Write(0, 0x3, 0x130, 0x00000013);
     SPI_Write(0, 0x3, 0x134, 0x00000013);
     SPI_Write(0, 0x3, 0x138, 0x00000370);
     SPI_Write(0, 0x3, 0x13C, 0x00000410);
     SPI_Write(0, 0x3, 0x140, 0x00000000);
-    if (band == 1) {
+    if (band == 1 || ch == 8 || ch == 9) {
         SPI_Write(0, 0x3, 0x144, 0x15240735);
     } else {
         SPI_Write(0, 0x3, 0x144, 0x0D640735);
     }
 
     SPI_Write(0, 0x3, 0x148, 0x01017F03);
-    if (band == 1) {
+    if (band == 1 || ch == 8 || ch == 9) {
         SPI_Write(0, 0x3, 0x14C, 0x021288A2);
     } else {
         SPI_Write(0, 0x3, 0x14C, 0x022288A2);
     }
     SPI_Write(0, 0x3, 0x150, 0x00FFCF33);
-    if (band == 1) {
+    if (band == 1 || ch == 8 || ch == 9) {
         SPI_Write(0, 0x3, 0x154, 0x1F2C3840);
         SPI_Write(0, 0x3, 0x128, 0x00008031);
     } else {
@@ -241,7 +265,7 @@ void DM6302_SetChannel(uint8_t band, uint8_t ch) {
     SPI_Write(0, 0x3, 0x11C, 0x00000002);
     SPI_Write(0, 0x3, 0x118, 0x00000001);
     SPI_Write(0, 0x3, 0x118, 0x00000000);
-    if (band == 1) {
+    if (band == 1 || ch == 8 || ch == 9) {
         SPI_Write(0, 0x3, 0x128, 0x00008031);
     } else {
         SPI_Write(0, 0x3, 0x128, 0x00008030);
@@ -256,7 +280,7 @@ void DM6302_SetChannel(uint8_t band, uint8_t ch) {
     SPI_Write(0, 0x3, 0x100, 0x00000000);
     SPI_Write(0, 0x3, 0x100, 0x00000003);
     SPI_Write(0, 0x3, 0x150, 0x000333B3);
-    if (band == 1) {
+    if (band == 1 || ch == 8 || ch == 9) {
         SPI_Write(0, 0x3, 0x140, 0x07070002);
     } else {
         SPI_Write(0, 0x3, 0x140, 0x07070000);
diff --git a/src/driver/dm6302.h b/src/driver/dm6302.h
index 915f0006..382e0550 100644
--- a/src/driver/dm6302.h
+++ b/src/driver/dm6302.h
@@ -6,7 +6,6 @@
 
 // #define _DEBUG_DM6300
 
-#define FREQ_NUM 18
 typedef enum {
     DM5680_L = 0,
     DM5680_R,
diff --git a/src/ui/page_scannow.c b/src/ui/page_scannow.c
index cc5080eb..e75dd2d0 100644
--- a/src/ui/page_scannow.c
+++ b/src/ui/page_scannow.c
@@ -59,11 +59,12 @@ typedef struct {
     lv_obj_t *img1;
 } channel_t;
 
-channel_t channel_tb[10];
-channel_status_t channel_status_tb[10];
+#define SCAN_CH_NUM 12
+channel_t channel_tb[SCAN_CH_NUM];
+channel_status_t channel_status_tb[SCAN_CH_NUM];
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
-int valid_channel_tb[10];
+int valid_channel_tb[SCAN_CH_NUM];
 int user_select_index = 0;
 
 // local
@@ -77,7 +78,7 @@ static lv_coord_t col_dsc2[] = {120, 80, 80, 180, 100, 80, 80, 180, LV_GRID_TEMP
 static lv_coord_t row_dsc2[] = {60, 60, 60, 60, 60, 60, 60, 60, 60, 60, LV_GRID_TEMPLATE_LAST};
 
 static void select_signal(channel_t *channel) {
-    for (int i = 0; i < 10; i++) {
+    for (int i = 0; i < SCAN_CH_NUM; i++) {
         if (channel_status_tb[i].is_valid) {
             lv_img_set_src(channel_tb[i].img0, &img_signal_status2);
         } else {
@@ -156,35 +157,32 @@ static void create_channel_switch(lv_obj_t *parent, int col, int row, channel_t
 }
 
 void page_scannow_set_channel_label(void) {
-    static const char *race_band_channel_str[] = {"R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8"};
-    static const char *fatshark_band_channel_str[] = {"F2", "F4"};
+    static const char *race_band_channel_str[] = {"R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "E1", "F1", "F2", "F4"};
     static const char *low_band_channel_str[] = {"L1", "L2", "L3", "L4", "L5", "L6", "L7", "L8"};
     uint8_t i;
 
     // set channel label
     if (g_setting.source.hdzero_band == RACE_BAND) {
-        for (i = 0; i < 8; i++) {
+        // race band
+        for (i = 0; i < SCAN_CH_NUM; i++) {
             lv_label_set_text(channel_tb[i].label, race_band_channel_str[i]);
         }
-        lv_label_set_text(channel_tb[8].label, fatshark_band_channel_str[0]);
-        lv_label_set_text(channel_tb[9].label, fatshark_band_channel_str[1]);
-
-        lv_obj_clear_flag(channel_tb[8].img0, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_clear_flag(channel_tb[8].label, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_clear_flag(channel_tb[8].img1, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_clear_flag(channel_tb[9].img0, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_clear_flag(channel_tb[9].label, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_clear_flag(channel_tb[9].img1, LV_OBJ_FLAG_HIDDEN);
+
+        for (i = 8; i < SCAN_CH_NUM; i++) {
+            lv_obj_clear_flag(channel_tb[i].img0, LV_OBJ_FLAG_HIDDEN);
+            lv_obj_clear_flag(channel_tb[i].label, LV_OBJ_FLAG_HIDDEN);
+            lv_obj_clear_flag(channel_tb[i].img1, LV_OBJ_FLAG_HIDDEN);
+        }
     } else {
+        // lowband
         for (i = 0; i < 8; i++) {
             lv_label_set_text(channel_tb[i].label, low_band_channel_str[i]);
         }
-        lv_obj_add_flag(channel_tb[8].img0, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_add_flag(channel_tb[8].label, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_add_flag(channel_tb[8].img1, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_add_flag(channel_tb[9].img0, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_add_flag(channel_tb[9].label, LV_OBJ_FLAG_HIDDEN);
-        lv_obj_add_flag(channel_tb[9].img1, LV_OBJ_FLAG_HIDDEN);
+        for (i = 8; i < SCAN_CH_NUM; i++) {
+            lv_obj_add_flag(channel_tb[i].img0, LV_OBJ_FLAG_HIDDEN);
+            lv_obj_add_flag(channel_tb[i].label, LV_OBJ_FLAG_HIDDEN);
+            lv_obj_add_flag(channel_tb[i].img1, LV_OBJ_FLAG_HIDDEN);
+        }
     }
 }
 
@@ -254,12 +252,16 @@ static lv_obj_t *page_scannow_create(lv_obj_t *parent, panel_arr_t *arr) {
     lv_obj_set_style_grid_row_dsc_array(cont2, row_dsc2, 0);
 
     // create channel
-    uint8_t i;
+    uint8_t col_offset = 1;
+    uint8_t row_offset = 0;
+
     for (int i = 0; i < 8; i++) {
-        create_channel_switch(cont2, ((i >> 2) << 2) + 1, i & 0x03, &channel_tb[i]);
+        create_channel_switch(cont2, ((i >> 2) << 2) + col_offset, i & 0x03, &channel_tb[i]);
     }
-    for (int i = 0; i < 2; i++) {
-        create_channel_switch(cont2, (i << 2) + 1, 4, &channel_tb[8 + i]);
+
+    row_offset = 4;
+    for (int i = 0; i < 4; i++) {
+        create_channel_switch(cont2, ((i >> 1) << 2) + col_offset, row_offset + (i & 0x01), &channel_tb[8 + i]);
     }
     page_scannow_set_channel_label();
 
@@ -276,7 +278,7 @@ static void user_select_signal(void) {
 
 static void user_clear_signal(void) {
     user_select_index = 0;
-    for (int i = 0; i < 10; i++) {
+    for (int i = 0; i < SCAN_CH_NUM; i++) {
         lv_img_set_src(channel_tb[i].img0, &img_signal_status);
         lv_img_set_src(channel_tb[i].img1, &img_ant1);
     }
@@ -320,7 +322,7 @@ int8_t scan_now(void) {
     lv_timer_handler();
 
     // clear
-    for (ch = 0; ch < 10; ch++) {
+    for (ch = 0; ch < SCAN_CH_NUM; ch++) {
         valid_channel_tb[ch] = -1;
         channel_status_tb[ch].is_valid = 0;
     }
diff --git a/src/ui/page_scannow.h b/src/ui/page_scannow.h
index 83bc1ba9..5f35be8c 100644
--- a/src/ui/page_scannow.h
+++ b/src/ui/page_scannow.h
@@ -4,7 +4,7 @@
 #include "ui/ui_main_menu.h"
 #include <lvgl/lvgl.h>
 
-#define CHANNEL_NUM (g_setting.source.hdzero_band == RACE_BAND ? 10 : 8)
+#define CHANNEL_NUM (g_setting.source.hdzero_band == RACE_BAND ? 12 : 8)
 
 typedef enum {
     RACE_BAND = 0,