diff --git a/source/arm11/atp.c b/source/arm11/atp.c
index 7ae2e90..9d0e3e4 100644
--- a/source/arm11/atp.c
+++ b/source/arm11/atp.c
@@ -78,7 +78,7 @@ const char *acf_put_text(int x, int y, int width, int height, int maxwidth, u8 c
 
 static void screen_clean() 
 {
-    memset(consoleGet()->frameBuffer, 0, WINDOW_WIDTH*WINDOW_HEIGHT*sizeof(uint16_t));
+    memset(consoleGet()->frameBuffer, 0xff, WINDOW_WIDTH*WINDOW_HEIGHT*sizeof(uint16_t));
     if( ta[0] ) acf_put_text( 5, 215, WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_WIDTH-10, ATP_COLOR_CYAN, ATP_PLACEMENT_LEFT, ta );
     if( tb[0] ) acf_put_text( 5, 215, WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_WIDTH-10, ATP_COLOR_CYAN, ATP_PLACEMENT_RIGHT, tb );
 }
@@ -183,14 +183,16 @@ static atp_error_t title_paint( atp_callerdata_t datain, atp_counter_t idx, atp_
     return ATP_SUCCESS;
 }
 
+#define PAGING_BUFSIZE 32
 static void set_paging( int top, int len )
 {
     screen_clean();
-    
+
     unsigned total = (len+CONTAINER_MAX_LINES-1) / CONTAINER_MAX_LINES;
     unsigned current = top / CONTAINER_MAX_LINES;
-    char buf[TIPS_MAX];
-    ee_snprintf( buf, TIPS_MAX-1, "页码：%d/%d", current+1, total );
+    char buf[PAGING_BUFSIZE];
+    ee_snprintf( buf, PAGING_BUFSIZE-1, "页码：%d/%d", top, len );
+    buf[PAGING_BUFSIZE] = '\0';
     atp_tips( buf, NULL );
 }