diff --git a/mpp/mpp.cpp b/mpp/mpp.cpp
index 5c18f5ac..907edd10 100644
--- a/mpp/mpp.cpp
+++ b/mpp/mpp.cpp
@@ -196,7 +196,8 @@ MPP_RET Mpp::put_packet(MppPacket packet)
     RK_U32 eos = mpp_packet_get_eos(packet);
     if (mPackets->list_size() < 4 || eos) {
         MppPacket pkt;
-        mpp_packet_copy_init(&pkt, packet);
+        if (MPP_OK != mpp_packet_copy_init(&pkt, packet))
+			return MPP_NOK;
         mPackets->add_at_tail(&pkt, sizeof(pkt));
         mPacketPutCount++;
         mThreadCodec->signal();
diff --git a/mpp/mpp_packet.cpp b/mpp/mpp_packet.cpp
index 92811dc2..69266f0e 100644
--- a/mpp/mpp_packet.cpp
+++ b/mpp/mpp_packet.cpp
@@ -83,7 +83,7 @@ MPP_RET mpp_packet_copy_init(MppPacket *packet, const MppPacket src)
     size_t size = mpp_packet_get_size(src);
     void *data = mpp_malloc_size(void, size);
     if (NULL == data) {
-        mpp_err_f("malloc failed\n");
+        mpp_err_f("malloc failed, size %d\n", size);
         return MPP_ERR_MALLOC;
     }