diff --git a/package/STM32G030Booter/main.c b/package/STM32G030Booter/main.c
index 8a46aea0a..53dc0d050 100644
--- a/package/STM32G030Booter/main.c
+++ b/package/STM32G030Booter/main.c
@@ -68,18 +68,8 @@ uint8_t Shell_Ready = 0;
  * @retval int
  */
 
-#define use_mem_pool
-
-#ifdef use_mem_pool
-/* use mem pool */
-Pool pikaPool;
-void* __impl_pikaMalloc(size_t size) {
-    void* mem = pool_malloc(&pikaPool, size);
-    return mem;
-}
-void __impl_pikaFree(void* ptrm, size_t size) {
-    pool_free(&pikaPool, ptrm, size);
-}
+#if use_mem_pool
+extern Pool pikaPool;
 #endif
 
 int main(void) {
@@ -93,13 +83,14 @@ int main(void) {
     SystemClock_Config();
     MX_GPIO_Init();
     HARDWARE_PRINTF_Init();
-
-    /* init mem pool */
-    #ifdef use_mem_pool
-    pikaPool = pool_init(0x1B00, 4);
-    #endif
-    printf("stm32 hardware init ok\r\n");
+    printf("[info]: stm32 hardware init ok\r\n");
     
+    /* init mem pool */
+    #if use_mem_pool
+    pikaPool = pool_init(0x1B00, 4);
+    printf("[info]: pika memory poool init ok \r\n");
+    #endif
+
     /* boot pikaScript */
     char* code = (char*)FLASH_SCRIPT_START_ADDR;
     if (code[0] != 0xFF) {
diff --git a/package/STM32G030Booter/stm32g030_pika_msp.c b/package/STM32G030Booter/stm32g030_pika_msp.c
index a3b42d563..c74c241a3 100644
--- a/package/STM32G030Booter/stm32g030_pika_msp.c
+++ b/package/STM32G030Booter/stm32g030_pika_msp.c
@@ -163,7 +163,25 @@ int32_t __platformSavePikaAsmEOF() {
     return 0;
 }
 
+/* support mem pool */
+#if use_mem_pool
+/* use mem pool */
+Pool pikaPool;
+void* __impl_pikaMalloc(size_t size) {
+    void* mem = pool_malloc(&pikaPool, size);
+    return mem;
+}
+void __impl_pikaFree(void* ptrm, size_t size) {
+    pool_free(&pikaPool, ptrm, size);
+}
+#endif
+
 /* support download python script by uart1 */
+uint8_t pika_memory_lock = 0;
+uint8_t __isLocked_pikaMemory(void){
+    return pika_memory_lock;
+}
+
 CodeHeap codeHeap;
 void STM32_Code_Init(void) {
     codeHeap.size = 0;
@@ -182,16 +200,16 @@ uint8_t STM32_Code_reciveHandler(char* data, uint32_t rxSize) {
         }
     }
     if (1 == codeHeap.ena) {
+        if(!pika_memory_lock){
+            pika_memory_lock = 1;
+            #if use_mem_pool
+            pool_deinit(&pikaPool);
+            #endif
+        }
         codeHeap.reciveTime = uwTick;
         codeHeap.oldSize = codeHeap.size;
         codeHeap.size += rxSize;
-        /* copy old to new content */
-        char* new_content = pikaMalloc(codeHeap.size + 1);
-        memcpy(new_content, codeHeap.content, codeHeap.oldSize + 1);
-        pikaFree(codeHeap.content, codeHeap.oldSize + 1);
-        /* update new content */
-        codeHeap.content = new_content;
-        /* copy append content to new content */
+        codeHeap.content = realloc(codeHeap.content, codeHeap.size + 1);
         memcpy(codeHeap.content + codeHeap.oldSize, data, rxSize);
         codeHeap.content[codeHeap.size] = 0;
         /* reciving code */
diff --git a/package/STM32G030Booter/stm32g030_pika_msp.h b/package/STM32G030Booter/stm32g030_pika_msp.h
index 74484b222..0077b42cb 100644
--- a/package/STM32G030Booter/stm32g030_pika_msp.h
+++ b/package/STM32G030Booter/stm32g030_pika_msp.h
@@ -1,6 +1,8 @@
 #ifndef __STM32G030_PIKA_PORT__H
 #define __STM32G030_PIKA_PORT__H
 
+#define use_mem_pool 1
+
 #include <stdint.h>
 #include "pikaObj.h"
 typedef struct _CodeHeap {
diff --git a/src/PikaPlatform.c b/src/PikaPlatform.c
index ceca6e1d9..c853edd2d 100644
--- a/src/PikaPlatform.c
+++ b/src/PikaPlatform.c
@@ -54,6 +54,10 @@ PIKA_WEAK void __impl_pikaFree(void* ptrm, size_t size) {
     __platformFree(ptrm);
 }
 
+PIKA_WEAK uint8_t __isLocked_pikaMemory(void){
+    return 0;
+}
+
 PIKA_WEAK void __platformPrintf(char* fmt, ...) {
     va_list args;
     va_start(args, fmt);
diff --git a/src/PikaPlatform.h b/src/PikaPlatform.h
index 293be5ff1..e40a4979c 100644
--- a/src/PikaPlatform.h
+++ b/src/PikaPlatform.h
@@ -46,10 +46,10 @@ void __platformDisableIrqHandle(void);
 
 void* __impl_pikaMalloc(size_t size);
 void __impl_pikaFree(void* ptrm, size_t size);
+uint8_t __isLocked_pikaMemory(void);
 
 char* __platformLoadPikaAsm(void);
 int32_t __platformSavePikaAsm(char* PikaAsm);
 uint8_t __platformAsmIsToFlash(char* pyMultiLine);
 int32_t __platformSavePikaAsmEOF(void);
-
 #endif
diff --git a/src/dataMemory.c b/src/dataMemory.c
index 6e23a604a..54475cb25 100644
--- a/src/dataMemory.c
+++ b/src/dataMemory.c
@@ -32,6 +32,9 @@
 PikaMemInfo pikaMemInfo = {0};
 
 void* pikaMalloc(uint32_t size) {
+    /* pika memory lock */
+    while(__isLocked_pikaMemory()){
+    }
     pikaMemInfo.heapUsed += size;
     if (pikaMemInfo.heapUsedMax < pikaMemInfo.heapUsed) {
         pikaMemInfo.heapUsedMax = pikaMemInfo.heapUsed;
@@ -49,6 +52,9 @@ void* pikaMalloc(uint32_t size) {
 }
 
 void pikaFree(void* mem, uint32_t size) {
+    /* pika memory lock */
+    while(__isLocked_pikaMemory()){
+    }    
     __platformDisableIrqHandle();
     __impl_pikaFree(mem, size);
     __platformEnableIrqHandle();