diff --git a/app/isr.c b/app/isr.c
index 63f2687..9c50fda 100644
--- a/app/isr.c
+++ b/app/isr.c
@@ -90,9 +90,7 @@ void EXTI15_10_IRQHandler(void) __attribute__((interrupt()));
 void USART1_IRQHandler(void)
 {
     if (USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) {
-        uint8_t data_s = 0;
-        uart_query_byte(UART_1, &data_s);
-        by_tiny_frame_parse_uart_handle(data_s);
+
         USART_ClearITPendingBit(USART1, USART_IT_RXNE);
     }
 }
@@ -107,12 +105,15 @@ void USART2_IRQHandler(void)
 void USART3_IRQHandler(void)
 {
     if (USART_GetITStatus(USART3, USART_IT_RXNE) != RESET) {
+        USART_ClearITPendingBit(USART3, USART_IT_RXNE);
     }
 }
 void UART4_IRQHandler(void)
 {
     if (USART_GetITStatus(UART4, USART_IT_RXNE) != RESET) {
-
+        uint8_t data_s = 0;
+        uart_query_byte(UART_4, &data_s);
+        by_tiny_frame_parse_uart_handle(data_s);
         USART_ClearITPendingBit(UART4, USART_IT_RXNE);
     }
 }
diff --git a/app/main.c b/app/main.c
index 73a71b9..a8d75f7 100644
--- a/app/main.c
+++ b/app/main.c
@@ -49,20 +49,14 @@ int main(void)
     by_pwm_init();
     by_buzzer_init();
     by_tiny_frame_init();
-    
+
     Page_Init();
 
     printf("ok\r\n");
-
+    
     while (1) {
         by_buzzer_run();
         Page_Run();
-
-        /** 测试完成后移除 **/
         by_tiny_frame_run();
-        // by_tiny_frame_pack_send(&frame_now);
-        system_delay_ms(10);
-        by_tiny_frame_parse_timer_handle();
-        /** 测试完成后移除 **/
     }
 }
diff --git a/app/tiny_frame/by_tiny_frame_config.h b/app/tiny_frame/by_tiny_frame_config.h
index d35e574..ecc1a6f 100644
--- a/app/tiny_frame/by_tiny_frame_config.h
+++ b/app/tiny_frame/by_tiny_frame_config.h
@@ -3,9 +3,9 @@
 
 #define BY_TF_DEBUG             (1)
 
-#define BY_TF_UART_TX_PIN       (UART1_MAP0_TX_A9)
-#define BY_TF_UART_RX_PIN       (UART1_MAP0_RX_A10)
-#define BY_TF_UART_INDEX        (UART_1)
+#define BY_TF_UART_TX_PIN       (UART4_MAP1_TX_B0)
+#define BY_TF_UART_RX_PIN       (UART4_MAP1_RX_B1)
+#define BY_TF_UART_INDEX        (UART_4)
 #define BY_TF_UART_BAUDRATE     (115200)
 
 #define BY_TF_PARSE_BUFFER_SIZE (50)
diff --git a/libraries/sdk/Ld/Link.ld b/libraries/sdk/Ld/Link.ld
index aa73cb2..97242f7 100644
--- a/libraries/sdk/Ld/Link.ld
+++ b/libraries/sdk/Ld/Link.ld
@@ -1 +1,185 @@
-ENTRY( _start )

__stack_size = 2048;

PROVIDE( _stack_size = __stack_size );


MEMORY
{
/* CH32V30x_D8C - CH32V305RB-CH32V305FB
   CH32V30x_D8 - CH32V303CB-CH32V303RB
*/
/*
	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
*/
    
/* CH32V30x_D8C - CH32V307VC-CH32V307WC-CH32V307RC
   CH32V30x_D8 - CH32V303VC-CH32V303RC
   FLASH + RAM supports the following configuration
   FLASH-192K + RAM-128K
   FLASH-224K + RAM-96K
   FLASH-256K + RAM-64K  
   FLASH-288K + RAM-32K  
*/
	RAM (xrw) : ORIGIN = 0x20000040, LENGTH = 63K
	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 256K
}


SECTIONS
{

	.init :
	{
		_sinit = .;
		. = ALIGN(4);
		KEEP(*(SORT_NONE(.init)))
		. = ALIGN(4);
		_einit = .;
	} >FLASH AT>FLASH

  .vector :
  {
      *(.vector);
	  . = ALIGN(64);
  } >FLASH AT>FLASH

	.text :
	{
		. = ALIGN(4);
		*(.text)
		*(.text.*)
		*(.rodata)
		*(.rodata*)
		*(.glue_7)
		*(.glue_7t)
		*(.gnu.linkonce.t.*)
		. = ALIGN(4);
	} >FLASH AT>FLASH 

	.fini :
	{
		KEEP(*(SORT_NONE(.fini)))
		. = ALIGN(4);
	} >FLASH AT>FLASH

	PROVIDE( _etext = . );
	PROVIDE( _eitcm = . );	

	.preinit_array  :
	{
	  PROVIDE_HIDDEN (__preinit_array_start = .);
	  KEEP (*(.preinit_array))
	  PROVIDE_HIDDEN (__preinit_array_end = .);
	} >FLASH AT>FLASH 
	
	.init_array     :
	{
	  PROVIDE_HIDDEN (__init_array_start = .);
	  KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
	  KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
	  PROVIDE_HIDDEN (__init_array_end = .);
	} >FLASH AT>FLASH 
	
	.fini_array     :
	{
	  PROVIDE_HIDDEN (__fini_array_start = .);
	  KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
	  KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
	  PROVIDE_HIDDEN (__fini_array_end = .);
	} >FLASH AT>FLASH 
	
	.ctors          :
	{
	  /* gcc uses crtbegin.o to find the start of
	     the constructors, so we make sure it is
	     first.  Because this is a wildcard, it
	     doesn't matter if the user does not
	     actually link against crtbegin.o; the
	     linker won't look for a file to match a
	     wildcard.  The wildcard also means that it
	     doesn't matter which directory crtbegin.o
	     is in.  */
	  KEEP (*crtbegin.o(.ctors))
	  KEEP (*crtbegin?.o(.ctors))
	  /* We don't want to include the .ctor section from
	     the crtend.o file until after the sorted ctors.
	     The .ctor section from the crtend file contains the
	     end of ctors marker and it must be last */
	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
	  KEEP (*(SORT(.ctors.*)))
	  KEEP (*(.ctors))
	} >FLASH AT>FLASH 
	
	.dtors          :
	{
	  KEEP (*crtbegin.o(.dtors))
	  KEEP (*crtbegin?.o(.dtors))
	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
	  KEEP (*(SORT(.dtors.*)))
	  KEEP (*(.dtors))
	} >FLASH AT>FLASH 

	.dalign :
	{
		. = ALIGN(4);
		PROVIDE(_data_vma = .);
	} >RAM AT>FLASH	

	.dlalign :
	{
		. = ALIGN(4); 
		PROVIDE(_data_lma = .);
	} >FLASH AT>FLASH

	.data :
	{
    	*(.gnu.linkonce.r.*)
    	*(.data .data.*)
    	*(.gnu.linkonce.d.*)
		. = ALIGN(8);
    	PROVIDE( __global_pointer$ = . + 0x800 );
    	*(.sdata .sdata.*)
		*(.sdata2.*)
    	*(.gnu.linkonce.s.*)
    	. = ALIGN(8);
    	*(.srodata.cst16)
    	*(.srodata.cst8)
    	*(.srodata.cst4)
    	*(.srodata.cst2)
    	*(.srodata .srodata.*)
    	. = ALIGN(4);
		PROVIDE( _edata = .);
	} >RAM AT>FLASH

	.bss :
	{
		. = ALIGN(4);
		PROVIDE( _sbss = .);
  	    *(.sbss*)
        *(.gnu.linkonce.sb.*)
		*(.bss*)
     	*(.gnu.linkonce.b.*)		
		*(COMMON*)
		. = ALIGN(4);
		PROVIDE( _ebss = .);
	} >RAM AT>FLASH

	PROVIDE( _end = _ebss);
	PROVIDE( end = . );

    .stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
    {
        PROVIDE( _heap_end = . );    
        . = ALIGN(4);
        PROVIDE(_susrstack = . );
        . = . + __stack_size;
        PROVIDE( _eusrstack = .);
    } >RAM 

}



\ No newline at end of file
+ENTRY( _start )
+
+__stack_size = 2048;
+
+PROVIDE( _stack_size = __stack_size );
+
+
+MEMORY
+{
+/* CH32V30x_D8C - CH32V305RB-CH32V305FB
+   CH32V30x_D8 - CH32V303CB-CH32V303RB
+*/
+/*
+	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
+	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
+*/
+    
+/* CH32V30x_D8C - CH32V307VC-CH32V307WC-CH32V307RC
+   CH32V30x_D8 - CH32V303VC-CH32V303RC
+   FLASH + RAM supports the following configuration
+   FLASH-192K + RAM-128K
+   FLASH-224K + RAM-96K
+   FLASH-256K + RAM-64K  
+   FLASH-288K + RAM-32K  
+*/
+	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
+	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 288K
+}
+
+
+SECTIONS
+{
+
+	.init :
+	{
+		_sinit = .;
+		. = ALIGN(4);
+		KEEP(*(SORT_NONE(.init)))
+		. = ALIGN(4);
+		_einit = .;
+	} >FLASH AT>FLASH
+
+  .vector :
+  {
+      *(.vector);
+	  . = ALIGN(64);
+  } >FLASH AT>FLASH
+
+	.text :
+	{
+		. = ALIGN(4);
+		*(.text)
+		*(.text.*)
+		*(.rodata)
+		*(.rodata*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.gnu.linkonce.t.*)
+		. = ALIGN(4);
+	} >FLASH AT>FLASH 
+
+	.fini :
+	{
+		KEEP(*(SORT_NONE(.fini)))
+		. = ALIGN(4);
+	} >FLASH AT>FLASH
+
+	PROVIDE( _etext = . );
+	PROVIDE( _eitcm = . );	
+
+	.preinit_array  :
+	{
+	  PROVIDE_HIDDEN (__preinit_array_start = .);
+	  KEEP (*(.preinit_array))
+	  PROVIDE_HIDDEN (__preinit_array_end = .);
+	} >FLASH AT>FLASH 
+	
+	.init_array     :
+	{
+	  PROVIDE_HIDDEN (__init_array_start = .);
+	  KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
+	  KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
+	  PROVIDE_HIDDEN (__init_array_end = .);
+	} >FLASH AT>FLASH 
+	
+	.fini_array     :
+	{
+	  PROVIDE_HIDDEN (__fini_array_start = .);
+	  KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
+	  KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
+	  PROVIDE_HIDDEN (__fini_array_end = .);
+	} >FLASH AT>FLASH 
+	
+	.ctors          :
+	{
+	  /* gcc uses crtbegin.o to find the start of
+	     the constructors, so we make sure it is
+	     first.  Because this is a wildcard, it
+	     doesn't matter if the user does not
+	     actually link against crtbegin.o; the
+	     linker won't look for a file to match a
+	     wildcard.  The wildcard also means that it
+	     doesn't matter which directory crtbegin.o
+	     is in.  */
+	  KEEP (*crtbegin.o(.ctors))
+	  KEEP (*crtbegin?.o(.ctors))
+	  /* We don't want to include the .ctor section from
+	     the crtend.o file until after the sorted ctors.
+	     The .ctor section from the crtend file contains the
+	     end of ctors marker and it must be last */
+	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
+	  KEEP (*(SORT(.ctors.*)))
+	  KEEP (*(.ctors))
+	} >FLASH AT>FLASH 
+	
+	.dtors          :
+	{
+	  KEEP (*crtbegin.o(.dtors))
+	  KEEP (*crtbegin?.o(.dtors))
+	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
+	  KEEP (*(SORT(.dtors.*)))
+	  KEEP (*(.dtors))
+	} >FLASH AT>FLASH 
+
+	.dalign :
+	{
+		. = ALIGN(4);
+		PROVIDE(_data_vma = .);
+	} >RAM AT>FLASH	
+
+	.dlalign :
+	{
+		. = ALIGN(4); 
+		PROVIDE(_data_lma = .);
+	} >FLASH AT>FLASH
+
+	.data :
+	{
+    	*(.gnu.linkonce.r.*)
+    	*(.data .data.*)
+    	*(.gnu.linkonce.d.*)
+		. = ALIGN(8);
+    	PROVIDE( __global_pointer$ = . + 0x800 );
+    	*(.sdata .sdata.*)
+		*(.sdata2.*)
+    	*(.gnu.linkonce.s.*)
+    	. = ALIGN(8);
+    	*(.srodata.cst16)
+    	*(.srodata.cst8)
+    	*(.srodata.cst4)
+    	*(.srodata.cst2)
+    	*(.srodata .srodata.*)
+    	. = ALIGN(4);
+		PROVIDE( _edata = .);
+	} >RAM AT>FLASH
+
+	.bss :
+	{
+		. = ALIGN(4);
+		PROVIDE( _sbss = .);
+  	    *(.sbss*)
+        *(.gnu.linkonce.sb.*)
+		*(.bss*)
+     	*(.gnu.linkonce.b.*)		
+		*(COMMON*)
+		. = ALIGN(4);
+		PROVIDE( _ebss = .);
+	} >RAM AT>FLASH
+
+	PROVIDE( _end = _ebss);
+	PROVIDE( end = . );
+
+    .stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
+    {
+        PROVIDE( _heap_end = . );    
+        . = ALIGN(4);
+        PROVIDE(_susrstack = . );
+        . = . + __stack_size;
+        PROVIDE( _eusrstack = .);
+    } >RAM 
+
+}
+
+
+