diff --git a/src/decoder/dvpp/VpcUtils.cpp b/src/decoder/dvpp/VpcUtils.cpp
index d972079..0b96cc3 100644
--- a/src/decoder/dvpp/VpcUtils.cpp
+++ b/src/decoder/dvpp/VpcUtils.cpp
@@ -182,6 +182,8 @@ DvppDataMemory* VpcUtils::convert2bgr(DvppDataMemory* inMem){
 
 DvppDataMemory* VpcUtils::resize(acldvppPicDesc *inputDesc_, int out_width, int out_height){
 
+    std::lock_guard<std::mutex> l(m_resize_mtx);
+
     ACL_CHECK_AND_ABORT(aclrtSetCurrentContext(context_), "aclrtSetCurrentContext failed !");
 
     int out_buf_width = ALIGN_UP(out_width, 16);
diff --git a/src/decoder/dvpp/VpcUtils.h b/src/decoder/dvpp/VpcUtils.h
index 49523be..a6e2d75 100644
--- a/src/decoder/dvpp/VpcUtils.h
+++ b/src/decoder/dvpp/VpcUtils.h
@@ -1,7 +1,7 @@
 #include "dvpp_headers.h"
 #include "depend_headers.h"
 #include "DvppDataMemory.hpp"
-
+#include <mutex>
 
 class VpcUtils{
 public:
@@ -30,4 +30,6 @@ private:
     int m_devId;
     acldvppChannelDesc *dvppChannelDesc_ {nullptr};
     string m_dec_name;
+
+    std::mutex m_resize_mtx;
 };
\ No newline at end of file