diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/applications/blehr_app.c b/bsp/bluetrum/ab32vg1-ab-prougen/applications/blehr_app.c
new file mode 100644
index 0000000000..de1a6a16f7
--- /dev/null
+++ b/bsp/bluetrum/ab32vg1-ab-prougen/applications/blehr_app.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2006-2021, Bluetrum Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-10-15     greedyhao    the first version
+ */
+
+#include <rtthread.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef BSP_USING_NIMBLE
+
+void nimble_port_run(void);
+void nimble_port_init(void);
+int ble_hci_rtthread_init(void);
+void ble_svc_gap_init(void);
+void ble_store_ram_init(void);
+int blehr_main(void);
+void bb_init(void);
+
+void bthw_get_heap_info(void **p_heap, uint16_t **p_heap_size, uint32_t *p_block_size);
+typedef void (*nsmem_cb_init_func)(void *heap_buf, void *heap_size_buf, uint32_t mem_block_max);
+#define nsmem_cb_init   ((nsmem_cb_init_func)0x84140)
+
+int btctrl_mem_init(void)
+{
+    void *heap_buf;
+    uint16_t *heap_size_buf;
+    uint32_t block_size;
+
+    bthw_get_heap_info(&heap_buf, &heap_size_buf, &block_size);
+    // rt_kprintf("heap_buf=0x%p heap_size_buf=0x%p block_size=0x%p\n", heap_buf, heap_size_buf, block_size);
+    nsmem_cb_init(heap_buf, heap_size_buf, block_size);
+    return 0;
+}
+INIT_BOARD_EXPORT(btctrl_mem_init);
+
+static void blehr_thread_entry(void *param)
+{
+    bb_init();
+    nimble_port_init();
+
+    ble_hci_rtthread_init();
+    ble_svc_gap_init();
+
+    /* XXX Need to have template for store */
+    ble_store_ram_init();
+
+    blehr_main();
+
+    nimble_port_run();
+}
+
+static int blehr_sample(void)
+{
+    rt_thread_t tid = rt_thread_create(
+        "blehr",
+        blehr_thread_entry,
+        RT_NULL,
+        1024,
+        15,
+        1);
+    
+    if (tid != RT_NULL) {
+        rt_thread_startup(tid);
+    }
+}
+MSH_CMD_EXPORT(blehr_sample, blehr_sample);
+
+#endif
diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/board/Kconfig b/bsp/bluetrum/ab32vg1-ab-prougen/board/Kconfig
index fddd4efb56..77ce8d5512 100644
--- a/bsp/bluetrum/ab32vg1-ab-prougen/board/Kconfig
+++ b/bsp/bluetrum/ab32vg1-ab-prougen/board/Kconfig
@@ -5,6 +5,10 @@ config SOC_AB32VG1
     select PKG_USING_BLUETRUM_SDK
     default y
 
+config PKG_USING_BLUETRUM_NIMBLE
+    bool
+    default n
+
 menu "Onboard Peripheral Drivers"
 
     menuconfig BSP_USING_AUDIO
@@ -231,7 +235,18 @@ menu "On-chip Peripheral Drivers"
 
 endmenu
 
-menu "Board extended module Drivers"
-endmenu
+choice
+    prompt "BLE STACK"
+    default BLE_STACK_USING_NULL
+    help
+        Select the ble stack
+
+    config BLE_STACK_USING_NULL
+        bool "not use the ble stack"
+
+    config BSP_USING_NIMBLE
+        bool "use nimble stack(iot)"
+        select PKG_USING_BLUETRUM_NIMBLE
+endchoice
 
 endmenu
diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c b/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
index 4246a92d0b..32714f6a4d 100644
--- a/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
+++ b/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
@@ -145,6 +145,11 @@ void rt_hw_board_init(void)
 #endif
 }
 
+void rt_hw_us_delay(rt_uint32_t us)
+{
+
+}
+
 RT_SECTION(".irq.cache")
 void cache_init(void)
 {
diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/link.lds b/bsp/bluetrum/ab32vg1-ab-prougen/link.lds
index 207eac849c..182b6d5225 100644
--- a/bsp/bluetrum/ab32vg1-ab-prougen/link.lds
+++ b/bsp/bluetrum/ab32vg1-ab-prougen/link.lds
@@ -1,17 +1,19 @@
 /* Define the flash max size */
-__max_flash_size = 1024k;
+__max_flash_size = 1020k;
 
-__data_ram_size = 8k;
+__data_ram_size = 16k;
 __stack_ram_size = 4k;
 __comm_ram_size = 42k;
-__heap_ram_size = 70k;
+__heap_ram_size = 52k;
+__ble_ram_size = 10k;
 
 __base = 0x10000000;
 
-__data_vma = 0x11000;
+__bram_vma = 0x11000;
+__heap_vma = __bram_vma + __ble_ram_size;
+__data_vma = __heap_vma + __heap_ram_size;
 __stack_vma = __data_vma + __data_ram_size;
 __comm_vma = __stack_vma + __stack_ram_size;
-__heap_vma = __comm_vma + __comm_ram_size;
 
 __ram1_vma = 0x50000;
 
@@ -21,6 +23,7 @@ MEMORY
     flash(rx)       : org = __base + 512,       len = __max_flash_size
     comm(rx)        : org = __comm_vma,         len = __comm_ram_size
 
+    bram			: org = __bram_vma,         len = __ble_ram_size
     data            : org = __data_vma,         len = __data_ram_size
     stack           : org = __stack_vma,        len = __stack_ram_size
     heap            : org = __heap_vma,         len = __heap_ram_size
@@ -89,8 +92,16 @@ SECTIONS
         *(.data*)
         *(.sdata*)
         *(.com_text*)
+        *(.text.ble_mqueue_get)
+        *(.text.ble_mqueue_put)
+        *(.text.os_memblock_get)
     } > comm AT > flash
 
+    .bram __bram_vma (NOLOAD) : {
+        *(.btmem.bthw)
+        *(.btmem*)
+    } > bram
+
     .bss (NOLOAD):
     {
         __bss_start = .;
diff --git a/bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/SConscript b/bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/SConscript
index e30f216093..3321a76d91 100644
--- a/bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/SConscript
+++ b/bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/SConscript
@@ -48,8 +48,8 @@ ASFLAGS          = ""
 CPPDEFINES       = []
 LOCAL_CPPDEFINES = []
 
-LIBS             = ['hal'] 
-LIBPATH          = [CWD]
+LIBS             = [] 
+LIBPATH          = []
 
 LINKFLAGS        = "" 
 
diff --git a/bsp/bluetrum/libraries/hal_libraries/bmsis/source/startup.S b/bsp/bluetrum/libraries/hal_libraries/bmsis/source/startup.S
index 8ea645316e..7903c38381 100644
--- a/bsp/bluetrum/libraries/hal_libraries/bmsis/source/startup.S
+++ b/bsp/bluetrum/libraries/hal_libraries/bmsis/source/startup.S
@@ -96,6 +96,11 @@ __exception:
     mret
 #endif
 
+    .org    0x1e0
+    1: j       1b
+    nop
+    mret
+
     .global cpu_irq_comm
 cpu_irq_comm:
     la      a5, __irq_stack