diff --git a/src/util/JpegUtil.cpp b/src/util/JpegUtil.cpp
index 396a24a..aaf8c6b 100755
--- a/src/util/JpegUtil.cpp
+++ b/src/util/JpegUtil.cpp
@@ -64,7 +64,7 @@ int32_t JpegUtil::jpege_save(char* pcData , uint32_t dataLen, string out_file_na
     FILE* fd = nullptr;
     fd = fopen(out_file_name.c_str(), "wb");
     if (fd == nullptr) {
-        LOG_ERROR("open output file err");
+        LOG_ERROR("open output file error");
         return 1;
     }
 
@@ -85,11 +85,13 @@ bool JpegUtil::jpeg_encode(acldvppPicDesc *encodeInputDesc_, string out_file_nam
     uint32_t outBufferSize= 0;
     int ret = acldvppJpegPredictEncSize(encodeInputDesc_, jpegeConfig_, &outBufferSize);
     if (ret != ACL_SUCCESS) {
+        LOG_ERROR("acldvppJpegPredictEncSize failed!");
         return false;
     }
     void *encodeOutBufferDev_ = nullptr;
     ret = acldvppMalloc(&encodeOutBufferDev_, outBufferSize);
     if (ret != ACL_SUCCESS) {
+        LOG_ERROR("acldvppMalloc failed!");
         return false;
     }
 
@@ -98,29 +100,37 @@ bool JpegUtil::jpeg_encode(acldvppPicDesc *encodeInputDesc_, string out_file_nam
         // 9. 执行异步编码，再调用aclrtSynchronizeStream接口阻塞程序运行，直到指定Stream中的所有任务都完成
         aclRet = acldvppJpegEncodeAsync(dvppChannelDesc_, encodeInputDesc_, encodeOutBufferDev_, &outBufferSize, jpegeConfig_, stream_);
         if (ret != ACL_SUCCESS) {
+            LOG_ERROR("acldvppJpegEncodeAsync failed!");
             break;
         }
         aclRet = aclrtSynchronizeStream(stream_);
         if (ret != ACL_SUCCESS) {
+            LOG_ERROR("aclrtSynchronizeStream failed!");
             break;
         }
 
         // 申请Host内存outputHostBuffer 
         void* outputHostBuffer = malloc(outBufferSize);
+        if(outputHostBuffer == nullptr) {
+            LOG_ERROR("malloc failed!");
+            break;
+        }
 
         // 通过aclrtMemcpy接口将Device的处理结果数据传输到Host
         aclRet = aclrtMemcpy(outputHostBuffer, outBufferSize, encodeOutBufferDev_, outBufferSize, ACL_MEMCPY_DEVICE_TO_HOST);
         if (ret != ACL_SUCCESS) {
             free(outputHostBuffer);
             outputHostBuffer = nullptr;
+            LOG_ERROR("aclrtMemcpy failed!");
             break;
         }
 
         // 数据使用完成后，释放内存
         ret = jpege_save((char*)outputHostBuffer, outBufferSize, out_file_name);
+        free(outputHostBuffer);
+        outputHostBuffer = nullptr;
         if(ret != 0) {
-            free(outputHostBuffer);
-            outputHostBuffer = nullptr;
+            LOG_ERROR("jpege_save failed!");
             break;
         }
 
diff --git a/src/util/vpc_util.cpp b/src/util/vpc_util.cpp
index 06360eb..0a4adaf 100755
--- a/src/util/vpc_util.cpp
+++ b/src/util/vpc_util.cpp
@@ -18,6 +18,14 @@
 #include "../decoder/interface/DeviceMemory.hpp"
 #include "../common/logger.hpp"
 
+static uint32_t AlignSize(uint32_t origSize, uint32_t alignment){
+    if (alignment == 0) {
+        return 0;
+    }
+    uint32_t alignmentH = alignment - 1;
+    return (origSize + alignmentH) / alignment * alignment;
+}
+
 void VPCUtil::release()
 {
     aclError ret;
@@ -43,9 +51,39 @@ void VPCUtil::release()
     LOG_INFO("end to reset device is %d", deviceId_);
 }
 
+static void adjustCoordinate(uint32_t& left, uint32_t& right, uint32_t& top, uint32_t& bottom, const uint32_t& width, const uint32_t& height) {
+    uint32_t cropWidth = right - left;
+    uint32_t cropHeight = bottom - top;
+
+    if(cropWidth < 16) {
+        cropWidth += 16; //小于16的似乎抠不了图
+        right += 16;
+    }
+
+    if (left < 0) {
+        left = 0;
+        right = cropWidth;
+    }
+
+    if (right >= width){
+        right = width -1;
+        left = right - cropWidth;
+    }
+
+    if (top < 0) {
+        top = 0;
+        bottom = cropHeight;
+    }
+
+    if (bottom >= height){
+        bottom = height -1;
+        top = bottom - cropHeight;
+    }
+}
+
 vpc_img_info VPCUtil::crop(DeviceMemory *devMem, video_object_info obj) {
 
-    vpc_img_info img_info ;
+    vpc_img_info img_info;
 
     // uint32_t cropSizeWidth = (obj.right - obj.left) / 16 * 16;
     // uint32_t cropSizeHeight = (obj.bottom - obj.top) / 2 * 2;
@@ -59,7 +97,21 @@ vpc_img_info VPCUtil::crop(DeviceMemory *devMem, video_object_info obj) {
     uint32_t cropTopOffset = (obj.top + 1) / 2 * 2;  // must even
     uint32_t cropBottomOffset = cropTopOffset + cropSizeHeight - oddNum;  // must odd
 
+    adjustCoordinate(cropLeftOffset, cropRightOffset, cropTopOffset, cropBottomOffset, devMem->getWidth(), devMem->getHeight());
+    cropSizeWidth = cropRightOffset - cropLeftOffset + oddNum; // 宽高要比实际的高才行，否则会抠图失败
+    cropSizeHeight = cropBottomOffset - cropTopOffset + oddNum;
+    LOG_DEBUG("{} ,{} ,{} ,{} ", cropLeftOffset, cropRightOffset, cropTopOffset, cropBottomOffset);
+
     if(cropRightOffset <= cropLeftOffset || cropBottomOffset <= cropTopOffset){
+        LOG_ERROR("{} <= {} || {} <= {} ", cropRightOffset, cropLeftOffset, cropBottomOffset, cropTopOffset);
+        return img_info;
+    }
+
+    aclError ret;
+    aclrtSetDevice(deviceId_);
+    ret = aclrtSetCurrentContext(context_);
+    if (ret != ACL_SUCCESS) {
+        LOG_ERROR("aclrtSetCurrentContext failed");
         return img_info;
     }
 
@@ -94,7 +146,7 @@ vpc_img_info VPCUtil::crop(DeviceMemory *devMem, video_object_info obj) {
     bool bRet = false;
     do
     {
-        aclError ret = acldvppVpcCropAsync(dvppChannelDesc_, vpcInputDesc_, vpcOutputDesc_, cropArea_, stream_);
+        ret = acldvppVpcCropAsync(dvppChannelDesc_, vpcInputDesc_, vpcOutputDesc_, cropArea_, stream_);
         if (ret != ACL_SUCCESS) {
             LOG_ERROR("acldvppVpcCropAsync failed, task_id : {}", devMem->getId());
             break;
@@ -148,7 +200,6 @@ int VPCUtil::init(int32_t devId){
     // channel  准备
     dvppChannelDesc_ = acldvppCreateChannelDesc();
     ret = acldvppCreateChannel(dvppChannelDesc_);
-
 }
 
 vector<vpc_img_info> VPCUtil::crop_batch(DeviceMemory *devMem, vector<video_object_info> objs){
@@ -192,10 +243,10 @@ vector<vpc_img_info> VPCUtil::crop_batch(DeviceMemory *devMem, vector<video_obje
     for (uint32_t i = 0; i < outputBatchSize_; i++) {
         video_object_info obj = objs[i];
 
-        uint32_t cropSizeWidth = (obj.right - obj.left) / 16 * 16;
-        uint32_t cropSizeHeight = (obj.bottom - obj.top) / 2 * 2;
-        // uint32_t cropSizeWidth = (obj.right - obj.left + 15) / 16 * 16; //debug by zsh
-        // uint32_t cropSizeHeight = (obj.bottom - obj.top + 1) / 2 * 2;
+        // uint32_t cropSizeWidth = (obj.right - obj.left) / 16 * 16;
+        // uint32_t cropSizeHeight = (obj.bottom - obj.top) / 2 * 2;
+        uint32_t cropSizeWidth = (obj.right - obj.left + 15) / 16 * 16; //debug by zsh
+        uint32_t cropSizeHeight = (obj.bottom - obj.top + 1) / 2 * 2;
         
         uint32_t oddNum = 1;
         uint32_t cropLeftOffset = (obj.left + 1) / 2 * 2;  // must even
@@ -203,6 +254,11 @@ vector<vpc_img_info> VPCUtil::crop_batch(DeviceMemory *devMem, vector<video_obje
         uint32_t cropTopOffset = (obj.top + 1) / 2 * 2;  // must even
         uint32_t cropBottomOffset = cropTopOffset + cropSizeHeight - oddNum;  // must odd
 
+        adjustCoordinate(cropLeftOffset, cropRightOffset, cropTopOffset, cropBottomOffset, devMem->getWidth(), devMem->getHeight());
+        cropSizeWidth = cropRightOffset - cropLeftOffset + oddNum;
+        cropSizeHeight = cropBottomOffset - cropTopOffset + oddNum;
+        LOG_DEBUG("{} ,{} ,{} ,{} ", cropLeftOffset, cropRightOffset, cropTopOffset, cropBottomOffset);
+
         if(cropRightOffset <= cropLeftOffset || cropBottomOffset <= cropTopOffset){
             LOG_ERROR("{} <= {} || {} <= {} ", cropRightOffset, cropLeftOffset, cropBottomOffset, cropTopOffset);
             // 释放之前成功的部分 再退出