diff --git a/src/PikaVM.c b/src/PikaVM.c
index 06e34e091..cb4a66f2b 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -839,7 +839,9 @@ void constPool_init(ConstPool* self) {
 }
 
 void constPool_deinit(ConstPool* self) {
-    arg_deinit(self->arg_buff);
+    if (NULL != self->arg_buff) {
+        arg_deinit(self->arg_buff);
+    }
 }
 
 void constPool_append(ConstPool* self, char* content) {
@@ -933,8 +935,10 @@ void instructArray_init(InstructArray* self) {
     self->content_offset_now = 0;
 }
 
-void instructArray_deinit(InstructArray* ins_array) {
-    arg_deinit(ins_array->arg_buff);
+void instructArray_deinit(InstructArray* self) {
+    if (NULL != self->arg_buff) {
+        arg_deinit(self->arg_buff);
+    }
 }
 
 void instructArray_append(InstructArray* self, InstructUnit* ins_unit) {
diff --git a/src/PikaVM.h b/src/PikaVM.h
index 3520b97ad..e491fd3b3 100644
--- a/src/PikaVM.h
+++ b/src/PikaVM.h
@@ -104,7 +104,6 @@ char* constPool_getByOffset(ConstPool* self, uint16_t offset);
 uint16_t constPool_getLastOffset(ConstPool* self);
 void constPool_print(ConstPool* self);
 
-
 void byteCodeFrame_init(ByteCodeFrame* bf);
 void byteCodeFrame_deinit(ByteCodeFrame* bf);
 size_t byteCodeFrame_getSize(ByteCodeFrame* bf);
@@ -118,7 +117,6 @@ void instructArray_print(InstructArray* self);
 void byteCodeFrame_print(ByteCodeFrame* self);
 InstructUnit* instructArray_getByOffset(InstructArray* self, int32_t offset);
 
-
 #define instructUnit_getSize(InstructUnit_p_self) ((size_t)sizeof(InstructUnit))
 #define instructArray_getSize(InsturctArry_p_self) \
     ((size_t)(InsturctArry_p_self)->size)
@@ -132,5 +130,6 @@ VMParameters* pikaVM_runByteCodeWithState(PikaObj* self,
 uint16_t constPool_getOffsetByData(ConstPool* self, char* data);
 void instructArray_printWithConst(InstructArray* self, ConstPool* const_pool);
 void constPool_update(ConstPool* self);
+void instructArray_update(InstructArray* self);
 
 #endif