diff --git a/components/dwin/dwin_screen.cpp b/components/dwin/dwin_screen.cpp
index 1cc28c2..fa62166 100644
--- a/components/dwin/dwin_screen.cpp
+++ b/components/dwin/dwin_screen.cpp
@@ -17,6 +17,13 @@ using namespace std;
 
 DwinScreen& DwinScreen::ins() { return g_dwinScreen; }
 
+static void dumphex(uint8_t* data, size_t len) {
+  printf("(%d)", len);
+  for (size_t i = 0; i < len; i++) {
+    printf("%02X ", data[i]);
+  }
+  printf("\n");
+}
 void DwinScreen::init(UART_HandleTypeDef* huart, map<string, DwinRamManager*>& rammanager) {
   m_huart = huart;
   // m_dwcfg = dwcfg;
@@ -35,11 +42,11 @@ void DwinScreen::init(UART_HandleTypeDef* huart, map<string, DwinRamManager*>& r
     if (txcontext.receipt_ready_flag) {
       return;
     }
+    // dumphex(data, len);
     memcpy(txcontext.receiptcache, data, len);
     txcontext.receiptlen         = len;
     txcontext.receipt_ready_flag = true;
   });
-
   // m_rammanager.init(dwcfg.freeRawStartAddr, dwcfg.freeRawEndAddr);
   // m_textDisplayerManager.init(dwcfg.textDisplayerStartAddr, dwcfg.textDisplayerEndAddr);
   // m_varIconManager.init(dwcfg.varIconStartAddr, dwcfg.varIconEndAddr);
@@ -101,7 +108,6 @@ bool DwinScreen::sendcmdblock(int overtime) {
       // zos_delay(1);
       // HAL_Delay(1);
       osDelay(1);
-
     }
   }
   return false;
@@ -156,7 +162,10 @@ bool DwinScreen::read_varspace(uint16_t regaddr, uint8_t* data, uint8_t len, int
     ZLOGE(TAG, "read_varspace failed");
     return false;
   }
+
+  // ZLOGI(TAG, "read_varspace success %d", txcontext.receiptlen);
   memcpy(data, &txcontext.receiptcache[7], len);
+
   return true;
 }
 
@@ -205,6 +214,15 @@ bool DwinScreen::read_varspace16_muti(uint16_t regaddr, uint16_t* data, size_t n
   return true;
 }
 
+bool DwinScreen::read_varspace8_muti(uint16_t regaddr, uint8_t* data, size_t n8, int overtime) {
+  // TODO: CHECK BUFSIZE
+  memset(m_rd_pre_processcache, 0, sizeof(m_rd_pre_processcache));
+  bool suc = read_varspace(regaddr, m_rd_pre_processcache, n8, overtime);
+  memcpy(data, m_rd_pre_processcache, n8);
+  if (!suc) return false;
+  return true;
+}
+
 bool DwinScreen::read_varspace16(uint16_t regaddr, uint16_t& data, int overtime) {
   uint8_t data8[2];
   bool    suc = read_varspace(regaddr, data8, 2, overtime);
@@ -332,25 +350,19 @@ bool DwinScreen::set_rtc(uint16_t year, uint16_t month, uint16_t day, uint16_t h
 }
 
 bool DwinScreen::get_rtc(Date* date) {
-  uint16_t data[4] = {0};
-  bool     suc     = read_varspace16_muti(0x10, data, 4, 10);
-  // printf("data[0]:%04X data[1]:%04X data[2]:%04X data[3]:%04X\n", data[0], data[1], data[2], data[3]);
-  // date->year       = (data[0] >> 8) + 2000;
-  // date->month      = data[0] & 0xFF;
-  // date->day        = data[1] >> 8;
-  // date->weekdaynum = data[1] & 0xFF;
-  // date->hour       = data[2] >> 8;
-  // date->minute     = data[2] & 0xFF;
-  // date->second     = data[3] >> 8;
+  uint8_t data[8] = {0};
+  bool    suc     = read_varspace8_muti(0x10, data, 8, 10);
+  // dumphex(data, 8);
+  if (!suc) return false;
 
   date->year       = (data[0] & 0xff) + 2000;
-  date->month      = data[1] >> 8;
-  date->day        = data[1] & 0xFF;
-  date->weekdaynum = data[2] >> 8;
-  date->hour       = data[2] & 0xFF;
-  date->minute     = data[3] >> 8;
-  date->second     = data[3] & 0xFF;
-  printf("year:%d month:%d day:%d weekdaynum:%d hour:%d minute:%d second:%d\n",  //
-         date->year, date->month, date->day, date->weekdaynum, date->hour, date->minute, date->second);
+  date->month      = data[1];
+  date->day        = data[2];
+  date->weekdaynum = data[3];
+  date->hour       = data[4];
+  date->minute     = data[5];
+  date->second     = data[6];
+  // printf("year:%d month:%d day:%d weekdaynum:%d hour:%d minute:%d second:%d\n",  //
+  //        date->year, date->month, date->day, date->weekdaynum, date->hour, date->minute, date->second);
   return suc;
 }
diff --git a/components/dwin/dwin_screen.hpp b/components/dwin/dwin_screen.hpp
index 7088fbc..badefe1 100644
--- a/components/dwin/dwin_screen.hpp
+++ b/components/dwin/dwin_screen.hpp
@@ -136,6 +136,7 @@ class DwinScreen {
 
   bool write_varspace8(uint16_t regaddr, uint16_t subadd, uint16_t data, int overtime);
   bool read_varspace8(uint16_t regaddr, uint16_t subadd, uint16_t& data, int overtime);
+  bool read_varspace8_muti(uint16_t regaddr, uint8_t* data, size_t n8, int overtime);
 
   bool write_varspace(uint16_t regaddr, uint8_t* data, uint8_t len, int overtime);
   bool read_varspace(uint16_t regaddr, uint8_t* data, uint8_t len, int overtime);