diff --git a/board_init.c b/board_init.c
index ad033e2e8e98bc78cb774de644146be0bc2ae329..ab16b7086bf9825eda12f18730db2330a69f660a 100644
--- a/board_init.c
+++ b/board_init.c
@@ -55,12 +55,13 @@ const hal_logic_partition_t hal_partitions[] =
 
 #ifdef CONFIG_PM_SLEEP
 extern int sys_soc_init();
-extern int sys_soc_resume(int pm_state);
+extern uint64_t sys_soc_resume(int pm_state);
 extern int sys_soc_suspend(uint32_t suspend_tick);
+
 __attribute__((section(".__sram.code"))) static void lpm_handle(void)
 {
     int pm_state;
-    int ticks;
+    uint64_t ticks;
 
     aos_kernel_sched_suspend();
 
@@ -122,9 +123,9 @@ void board_init(void)
 
     spiflash_csky_register(0);
 
-    /* USE CONFIG_WDT=1 to enable wdt */
-    extern void wdt_init(void);
-    wdt_init();
+//    /* USE CONFIG_WDT=1 to enable wdt */
+//    extern void wdt_init(void);
+//    wdt_init();
 
     console_init(CONSOLE_UART_IDX, 256000, 512);
 }
diff --git a/bootimgs/boot.elf b/bootimgs/boot.elf
index 98617e6ef5df96ea08be52cd102357e512da5039..7499e31b6209ae19c1fabbc07726029bcd844baf 100644
Binary files a/bootimgs/boot.elf and b/bootimgs/boot.elf differ
diff --git a/configs/gcc_csky.ld b/configs/gcc_csky.ld
index d6a4eb7e5ac710bee07083fe95a1385023b1eed4..a063d2c91aa40526822581524c016913d55bf3d4 100644
--- a/configs/gcc_csky.ld
+++ b/configs/gcc_csky.ld
@@ -63,6 +63,7 @@ SECTIONS
   KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
   KEEP (*(SORT(.dtors.*)))
   KEEP (*(.dtors))
+  KEEP (*(.__xip_function__.*))
   . = ALIGN(0x4) ;
   __erodata = .;
   __rodata_end__ = .;
diff --git a/rom_ck802.elf.ck802sym b/rom_ck802.elf.ck802sym
index 229d9afbc3a27e957a0846bc387b0e6f511d3998..7abcc68b61f81632630d8560002dd839697ee5f4 100644
--- a/rom_ck802.elf.ck802sym
+++ b/rom_ck802.elf.ck802sym
@@ -1252,3 +1252,4 @@ _symrom_wakeupProcess0 = 0x0001642c;
 _symrom_whiten_seed = 0x1fff15a8;
 _symrom_zeroBlock = 0x00017a4e;
 _symrom_zigbee_crc16_gen = 0x00010292;
+_symrom_SystemResetCause = 0x00002d24;