diff --git a/jerry-core/api/jerryscript_adapter.c b/jerry-core/api/jerryscript_adapter.c
index 1b751f5a92e9485d87d0b6371938330e59296886..9b10273551014ab0d713d8f4583ff01f55f9c5e9 100644
--- a/jerry-core/api/jerryscript_adapter.c
+++ b/jerry-core/api/jerryscript_adapter.c
@@ -18,11 +18,16 @@
 #include "jerryscript.h"
 #include "jmem.h"
 #include "config-jupiter.h"
+#include "generate-bytecode.h"
+#include "los_task.h"
+
+#define MAX_CONTEXT_NUM (g_taskMaxNum+1)
 
 uint8_t* input_buffer;
 uint8_t* snapshot_buffer;
 uint8_t* bms_context_and_heap;
 uint8_t* js_context_and_heap;
+ContextRecord* g_contextRecords;
 
 void JerryPsRamMemInit()
 {
@@ -42,4 +47,12 @@ void JerryBmsPsRamMemInit()
   bms_context_and_heap = OhosMalloc(MEM_TYPE_JERRY_LSRAM, BMS_TASK_CONTEXT_AND_HEAP_SIZE * CONVERTION_RATIO);
 }
 
+void JerryInitContextRecords()
+{
+  g_contextRecords = (ContextRecord*)OhosMalloc(MEM_TYPE_JERRY, (MAX_CONTEXT_NUM) * sizeof(ContextRecord));
+  if (g_contextRecords == NULL) {
+    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "[JERRYSCRIPT]Init g_contextRecords Error.\n");
+  }
+}
+
 #endif // JERRY_IAR_JUPITER
diff --git a/jerry-core/include/jerryscript_adapter.h b/jerry-core/include/jerryscript_adapter.h
index dd8d63bf44bfd30ccc5f66bd8740347c477b99b1..5af4e82fa28b7ebc79f4cced5ecd751794fe9102 100755
--- a/jerry-core/include/jerryscript_adapter.h
+++ b/jerry-core/include/jerryscript_adapter.h
@@ -14,6 +14,7 @@ extern "C"
 
 void JerryPsRamMemInit();
 void JerryBmsPsRamMemInit();
+void JerryInitContextRecords();
 
 #ifdef __cplusplus
 }
diff --git a/jerry-port/default/default-external-context.c b/jerry-port/default/default-external-context.c
index c08363eeb522a6d4a9a7d16bcb07e87c3e6445e2..46ac88dc450724a5bdac34d3abe66ba11e9e4a9c 100755
--- a/jerry-port/default/default-external-context.c
+++ b/jerry-port/default/default-external-context.c
@@ -24,13 +24,11 @@ extern jerry_context_t *jerry_dynamic_global_context_p;
 
 #include "generate-bytecode.h"
 #include "los_task.h"
-#include "target_config.h"
 
 /**
- * use array to record the correspondence between task id and jerry-heap/context
+ * use dynamic size array to record the correspondence between task id and jerry-heap/context
  */
-#define MAX_CONTEXT_NUM (LOSCFG_BASE_CORE_TSK_LIMIT+1)
-ContextRecord g_contextRecords[MAX_CONTEXT_NUM] = {0};
+extern ContextRecord* g_contextRecords;
 
 void jerry_switch_context();