diff --git a/src/util/vpc_util.cpp b/src/util/vpc_util.cpp
index 7d5ca92..fdc4e07 100755
--- a/src/util/vpc_util.cpp
+++ b/src/util/vpc_util.cpp
@@ -88,11 +88,33 @@ vpc_img_info VPCUtil::crop(DeviceMemory *devMem, video_object_info obj) {
     acldvppSetPicDescWidthStride(vpcOutputDesc_, cropSizeWidth);
     acldvppSetPicDescHeightStride(vpcOutputDesc_, cropSizeHeight);
     acldvppSetPicDescSize(vpcOutputDesc_, vpcOutBufferSize_);
+
     aclrtStream stream_;
     aclrtCreateStream(&stream_);
-    int ret = acldvppVpcCropAsync(dvppChannelDesc_, vpcInputDesc_, vpcOutputDesc_, cropArea_, stream_);
-    ret = aclrtSynchronizeStream(stream_);
+    bool bRet = false;
+    do
+    {
+        aclError ret = acldvppVpcCropAsync(dvppChannelDesc_, vpcInputDesc_, vpcOutputDesc_, cropArea_, stream_);
+        if (ret != ACL_SUCCESS) {
+            LOG_ERROR("acldvppVpcCropAsync failed, task_id : {}", devMem->getId());
+            break;
+        }
+        ret = aclrtSynchronizeStream(stream_);
+        if (ret != ACL_SUCCESS) {
+            LOG_ERROR("aclrtSynchronizeStream failed, task_id : {}", devMem->getId());
+            break;
+        }
+
+        img_info.pic_desc = vpcOutputDesc_;
+        img_info.object_id = obj.object_id;
+        img_info.task_id = obj.task_id;              //该物体属于的任务ID号
+        img_info.task_frame_count = obj.task_frame_count;     //该物体当前出现的帧号
+        img_info.index = obj.index;                //该物体所属类别的编号
+        img_info.confidence = obj.confidence;      //该物体的置信度
 
+        bRet = true;
+    } while (0);
+    
     if (stream_ != nullptr) {
         aclrtDestroyStream(stream_);
     }
@@ -103,20 +125,15 @@ vpc_img_info VPCUtil::crop(DeviceMemory *devMem, video_object_info obj) {
     (void)acldvppDestroyRoiConfig(cropArea_);
     cropArea_ = nullptr;
 
-    img_info.pic_desc = vpcOutputDesc_;
-    img_info.object_id = obj.object_id;
-    img_info.task_id = obj.task_id;              //该物体属于的任务ID号
-    img_info.task_frame_count = obj.task_frame_count;     //该物体当前出现的帧号
-    img_info.index = obj.index;                //该物体所属类别的编号
-    img_info.confidence = obj.confidence;      //该物体的置信度
-
-    // (void)acldvppDestroyPicDesc(vpcOutputDesc_);
-    // vpcOutputDesc_ = nullptr;
+    if (!bRet) {
+        (void)acldvppDestroyPicDesc(vpcOutputDesc_);
+        vpcOutputDesc_ = nullptr;
 
-    // if (vpcOutBufferDev_ != nullptr) {
-    //     (void)acldvppFree(vpcOutBufferDev_);
-	//     vpcOutBufferDev_ = nullptr;
-    // }
+        if (vpcOutBufferDev_ != nullptr) {
+            (void)acldvppFree(vpcOutBufferDev_);
+            vpcOutBufferDev_ = nullptr;
+        }
+    }
 
     return img_info;
 }
@@ -234,49 +251,62 @@ vector<vpc_img_info> VPCUtil::crop_batch(DeviceMemory *devMem, vector<video_obje
     aclrtStream stream_;
     aclrtCreateStream(&stream_);
 
-    uint32_t roiNums[] = { outputBatchSize_ };
-    ret = acldvppVpcBatchCropAsync(dvppChannelDesc_, vpcInputBatchDesc_, roiNums, 1, outputBatchPicDesc_, cropAreas, stream_);
-    ret = aclrtSynchronizeStream(stream_);
+    bool bRet = false;
+    do {
+        uint32_t roiNums[] = { outputBatchSize_ };
+        ret = acldvppVpcBatchCropAsync(dvppChannelDesc_, vpcInputBatchDesc_, roiNums, 1, outputBatchPicDesc_, cropAreas, stream_);
+        if (ret != ACL_SUCCESS) {
+            LOG_ERROR("acldvppVpcBatchCropAsync failed, task_id : {}", devMem->getId());
+            break;
+        }
+        ret = aclrtSynchronizeStream(stream_);
+        if (ret != ACL_SUCCESS) {
+            LOG_ERROR("aclrtSynchronizeStream failed, task_id : {}", devMem->getId());
+            break;
+        }
 
+        for (uint32_t i = 0; i < outputBatchSize_; i++) {
+            video_object_info obj = objs[i];
+
+            vpcOutputDesc = acldvppGetPicDesc(outputBatchPicDesc_, i);
+            void *outputDataDev = acldvppGetPicDescData(vpcOutputDesc);
+            uint32_t outputSize = acldvppGetPicDescSize(vpcOutputDesc);
+            uint32_t width = acldvppGetPicDescWidth(vpcOutputDesc);
+            uint32_t width_stride = acldvppGetPicDescWidthStride(vpcOutputDesc);
+            uint32_t height = acldvppGetPicDescHeight(vpcOutputDesc);
+            uint32_t height_stride = acldvppGetPicDescHeightStride(vpcOutputDesc);
+            acldvppPixelFormat  fmt = acldvppGetPicDescFormat(vpcOutputDesc);
+
+            acldvppPicDesc *vpcInputDesc_= acldvppCreatePicDesc();
+            acldvppSetPicDescData(vpcInputDesc_, vecOutPtr_[i]); 
+            acldvppSetPicDescFormat(vpcInputDesc_, fmt);
+            acldvppSetPicDescWidth(vpcInputDesc_, width);
+            acldvppSetPicDescHeight(vpcInputDesc_, height);
+            acldvppSetPicDescWidthStride(vpcInputDesc_, width_stride);
+            acldvppSetPicDescHeightStride(vpcInputDesc_, height_stride);
+            acldvppSetPicDescSize(vpcInputDesc_, outputSize);
+
+            vpc_img_info img_info ;
+            img_info.pic_desc = vpcInputDesc_;
+            img_info.object_id = obj.object_id;
+            img_info.task_id = obj.task_id;              //该物体属于的任务ID号
+            img_info.task_frame_count = obj.task_frame_count;     //该物体当前出现的帧号
+            img_info.index = obj.index;                //该物体所属类别的编号
+            img_info.confidence = obj.confidence;      //该物体的置信度
+            vec_img_info.push_back(img_info);
+            // vpcOutputDesc = acldvppGetPicDesc(outputBatchPicDesc_, i);
+            // string file_name = "output";
+            // file_name = file_name + to_string(i) + ".jpg";
+            // vpc_jpeg_encode(vpcOutputDesc, file_name);
+        }
+
+        bRet = true;
+    } while (0);
+    
     if (stream_ != nullptr) {
         aclrtDestroyStream(stream_);
     }
 
-    for (uint32_t i = 0; i < outputBatchSize_; i++) {
-        video_object_info obj = objs[i];
-
-        vpcOutputDesc = acldvppGetPicDesc(outputBatchPicDesc_, i);
-        void *outputDataDev = acldvppGetPicDescData(vpcOutputDesc);
-        uint32_t outputSize = acldvppGetPicDescSize(vpcOutputDesc);
-        uint32_t width = acldvppGetPicDescWidth(vpcOutputDesc);
-        uint32_t width_stride = acldvppGetPicDescWidthStride(vpcOutputDesc);
-        uint32_t height = acldvppGetPicDescHeight(vpcOutputDesc);
-        uint32_t height_stride = acldvppGetPicDescHeightStride(vpcOutputDesc);
-        acldvppPixelFormat  fmt = acldvppGetPicDescFormat(vpcOutputDesc);
-
-        acldvppPicDesc *vpcInputDesc_= acldvppCreatePicDesc();
-        acldvppSetPicDescData(vpcInputDesc_, vecOutPtr_[i]); 
-        acldvppSetPicDescFormat(vpcInputDesc_, fmt);
-        acldvppSetPicDescWidth(vpcInputDesc_, width);
-        acldvppSetPicDescHeight(vpcInputDesc_, height);
-        acldvppSetPicDescWidthStride(vpcInputDesc_, width_stride);
-        acldvppSetPicDescHeightStride(vpcInputDesc_, height_stride);
-        acldvppSetPicDescSize(vpcInputDesc_, outputSize);
-
-        vpc_img_info img_info ;
-        img_info.pic_desc = vpcInputDesc_;
-        img_info.object_id = obj.object_id;
-        img_info.task_id = obj.task_id;              //该物体属于的任务ID号
-        img_info.task_frame_count = obj.task_frame_count;     //该物体当前出现的帧号
-        img_info.index = obj.index;                //该物体所属类别的编号
-        img_info.confidence = obj.confidence;      //该物体的置信度
-        vec_img_info.push_back(img_info);
-        // vpcOutputDesc = acldvppGetPicDesc(outputBatchPicDesc_, i);
-        // string file_name = "output";
-        // file_name = file_name + to_string(i) + ".jpg";
-        // vpc_jpeg_encode(vpcOutputDesc, file_name);
-    }
-
     aclrtSetCurrentContext(context_);
 
     if (vpcInputBatchDesc_ != nullptr) {
@@ -284,11 +314,13 @@ vector<vpc_img_info> VPCUtil::crop_batch(DeviceMemory *devMem, vector<video_obje
         vpcInputBatchDesc_ = nullptr;
     }
 
-    // for(int i = 0; i < vecOutPtr_.size(); i++){
-    //     if (vecOutPtr_[i] != nullptr){
-    //         acldvppFree(vecOutPtr_[i]);
-    //     }
-    // }
+    if (!bRet){
+        for(int i = 0; i < vecOutPtr_.size(); i++){
+            if (vecOutPtr_[i] != nullptr){
+                acldvppFree(vecOutPtr_[i]);
+            }
+        }
+    }
 
     if (outputBatchPicDesc_ != nullptr) {
         (void)acldvppDestroyBatchPicDesc(outputBatchPicDesc_);