diff --git a/mindspore/lite/nnacl/infer/infer_register.c b/mindspore/lite/nnacl/infer/infer_register.c
index b5ebf09b60..46dfe4479b 100644
--- a/mindspore/lite/nnacl/infer/infer_register.c
+++ b/mindspore/lite/nnacl/infer/infer_register.c
@@ -15,17 +15,24 @@
  */
 #include "nnacl/infer/infer_register.h"
 
-InferShape g_infer_func[PrimType_MAX];
+InferShape *g_infer_func;
+
+__attribute__((constructor(101))) void InitInferFuncBuf() {
+  g_infer_func = malloc(PrimType_MAX * sizeof(InferShape));
+  if (g_infer_func != NULL) {
+    memset(g_infer_func, 0, PrimType_MAX * sizeof(InferShape));
+  }
+}
 
 InferShape GetInferFunc(int prim_type) {
-  if (prim_type < PrimType_MAX) {
+  if (g_infer_func != NULL && prim_type < PrimType_MAX) {
     return g_infer_func[prim_type];
   }
   return NULL;
 }
 
 void RegInfer(int prim_type, InferShape func) {
-  if (prim_type < PrimType_MAX) {
+  if (g_infer_func != NULL && prim_type < PrimType_MAX) {
     g_infer_func[prim_type] = func;
   }
 }
diff --git a/mindspore/lite/nnacl/infer/infer_register.h b/mindspore/lite/nnacl/infer/infer_register.h
index 7e2ca85535..edb7325570 100644
--- a/mindspore/lite/nnacl/infer/infer_register.h
+++ b/mindspore/lite/nnacl/infer/infer_register.h
@@ -219,7 +219,7 @@ enum PrimType {
 void RegInfer(int prim_type, InferShape func);
 
 #define REG_INFER(op, type, func) \
-  __attribute__((constructor)) void Reg##op##Infer() { RegInfer(type, func); }
+  __attribute__((constructor(102))) void Reg##op##Infer() { RegInfer(type, func); }
 #ifdef __cplusplus
 }
 #endif