diff --git a/demo/oled/page.c b/demo/oled/page.c
index ef4bae3..21eb1fe 100644
--- a/demo/oled/page.c
+++ b/demo/oled/page.c
@@ -1,13 +1,13 @@
 #include "page.h"
 #include "list.h"
 
-uint8_t pageid = 0, cur = 1, cnt = 0;
+uint8_t pageid = 0, cur = 1, cnt = 0, item_h = 12;
 
 static List_t list;
-Page_L_t mainp = {0, 3, 0, 0, mainpage};
-Page_L_t ap = {1, 2, 0, 0, pageA};
-Page_L_t bp = {2, 2, 0, 0, pageB};
-Page_L_t cp = {3, 2, 0, 0, pageC};
+Page_L_t mainp = {0, 3, 0, 1, 12, mainpage};
+Page_L_t ap = {1, 2, 0, 1, 12, pageA};
+Page_L_t bp = {2, 2, 0, 1, 12, pageB};
+Page_L_t cp = {3, 2, 0, 1, 12, pageC};
 
 void pageinit() {
     list_init(&list);
@@ -32,9 +32,7 @@ Page_L_t pagesearch(uint8_t id) {
 
 void pagecur(OLED_T *dev) {
     if (cnt % 2) {
-        if (cur > 0 && cur <= pagesearch(pageid).next)OLED_ShowString(dev, 26, cur * 12, ">", 12);
-        else
-            cur = 1;
+        OLED_ShowString(dev, 26, cur * item_h, ">", item_h);
     }
     cnt++;
 }
diff --git a/demo/oled/page.h b/demo/oled/page.h
index b23fd8b..c816429 100644
--- a/demo/oled/page.h
+++ b/demo/oled/page.h
@@ -5,13 +5,14 @@
 
 typedef void (*Page_t)(OLED_T *dev);
 
-extern uint8_t pageid, cur, cnt;
+extern uint8_t pageid, cur, cnt, item_h;
 
 typedef struct Page_L {
     uint8_t id;
-    uint8_t next;
+    uint8_t curmax: 3;
     uint8_t back;
-    uint8_t enter;
+    uint8_t curmin: 3;
+    uint8_t item_h: 4;
     Page_t page;
 } Page_L_t;
 
diff --git a/demo/oled/test.c b/demo/oled/test.c
index 31331f2..c9ae2dd 100644
--- a/demo/oled/test.c
+++ b/demo/oled/test.c
@@ -41,6 +41,8 @@ void Key_Call_E(Key_t *key) {
             LOGT("KEY", "ID:%d EVENT:%s", key->key_id, "ClickEvent");
             if (key->key_id == SIM_KEY_UP)cur--;
             if (key->key_id == SIM_KEY_DOWN)cur++;
+            if (cur < pagesearch(pageid).curmin && pagesearch(pageid).curmin != 0)cur = pagesearch(pageid).curmax;
+            if (cur > pagesearch(pageid).curmax && pagesearch(pageid).curmax != 0)cur = pagesearch(pageid).curmin;
             if (key->key_id == SIM_KEY_LEFT)pageid--;
             if (key->key_id == SIM_KEY_RIGHT)pageid++;
             if (key->key_id == SIM_KEY_RESET)pageid = pagesearch(pageid).back;
@@ -133,6 +135,7 @@ void Test_OLED() {
     pageinit();
     while (1) {
         if (pageid > 3)pageid = 0;
+        item_h = pagesearch(pageid).item_h;
 //        pagesearch(pageid).page(&oled);
 //        sprintf(buf, "DATA:%d", s);
 //        OLED_ShowString(&oled, 2, 51, buf, 12);
diff --git a/lib/src/oled/oled.cpp b/lib/src/oled/oled.cpp
index 13ce78c..7ece514 100644
--- a/lib/src/oled/oled.cpp
+++ b/lib/src/oled/oled.cpp
@@ -327,18 +327,12 @@ void OLED_ShowPic(OLED_T *dev, uint8_t x0, uint8_t y0, uint8_t w, uint8_t h, uin
     uint16_t x = x0, y = y0;
     for (index = 0; index < (w * h) / 8; index++) {
         OLED_BSet(dev, x, y, bmp[index]);
+        x++;
         if ((x - x0) == w) {
             y += 8;
             x = x0;
         }
     }
-//    uint8_t y = 0;
-//    if (y % 8 == 0)y = 0;
-//    else y += 1;
-//    for (y = y0; y < y1; y++) {
-//        OLED_SPos(dev, x0, y);
-//        dev->data(bmp + y * (x1 - x0), x1 - x0);
-//    }
 }
 
 void OLED_Fill(OLED_T *dev, uint8_t data) {
diff --git a/main.c b/main.c
index c449b75..916d866 100644
--- a/main.c
+++ b/main.c
@@ -15,7 +15,7 @@
 int main() {
     srand((unsigned) time(NULL));
     int i, j, k = 0;
-    unsigned char incode[3] = {0x5B, 0x57}; // 要读出的汉字
+    unsigned char incode[3] = "我"; // 要读出的汉字
     unsigned char qh, wh;
     long offset = 0;
 // 占两个字节, 取其区位号