diff --git a/src/internal/channels.cc b/src/internal/channels.cc
index 94c8e67..c8623f8 100644
--- a/src/internal/channels.cc
+++ b/src/internal/channels.cc
@@ -320,7 +320,7 @@ std::int32_t Channels::XuCamCtrlGet(Option option) const {
 
   data[0] = id & 0xFF;
   if (XuCamCtrlQuery(uvc::XU_QUERY_GET, 3, data)) {
-    return (data[1] << 8) + (data[2]);
+    return (data[1] << 8) | (data[2]);
   } else {
     LOG(WARNING) << "XuCamCtrlGet value of " << option << " failed";
     return -1;
@@ -430,17 +430,17 @@ Channels::control_info_t Channels::XuControlInfo(Option option) const {
 
   data[0] = id & 0xFF;
   if (XuCamCtrlQuery(uvc::XU_QUERY_MIN, 3, data)) {
-    info.min = (data[1] << 8) + (data[2]);
+    info.min = (data[1] << 8) | (data[2]);
   } else {
     LOG(WARNING) << "Get XuControlInfo.min of " << option << " failed";
   }
   if (XuCamCtrlQuery(uvc::XU_QUERY_MAX, 3, data)) {
-    info.max = (data[1] << 8) + (data[2]);
+    info.max = (data[1] << 8) | (data[2]);
   } else {
     LOG(WARNING) << "Get XuControlInfo.max of " << option << " failed";
   }
   if (XuCamCtrlQuery(uvc::XU_QUERY_DEF, 3, data)) {
-    info.def = (data[1] << 8) + (data[2]);
+    info.def = (data[1] << 8) | (data[2]);
   } else {
     LOG(WARNING) << "Get XuControlInfo.def of " << option << " failed";
   }
diff --git a/src/internal/streams.cc b/src/internal/streams.cc
index 7e5a352..fc2785b 100644
--- a/src/internal/streams.cc
+++ b/src/internal/streams.cc
@@ -23,23 +23,12 @@ bool unpack_stereo_img_data(
       request.width * request.height * bytes_per_pixel(request.format);
   auto data_end = data_new + data_n;
 
-  // LOG(INFO) << "ImagePacket (raw): header=0x" << std::hex <<
-  // static_cast<int>(*(data_end - 1))
-  //   << ", size=0x" << std::hex << static_cast<int>(*(data_end - 2))
-  //   << ", frame_id="<< std::dec << ((*(data_end - 3) << 8) + *(data_end - 4))
-  //   << ", timestamp="<< std::dec << ((*(data_end - 5) << 24) + (*(data_end -
-  //   6) << 16) + (*(data_end - 7) << 8) + *(data_end - 8))
-  //   << ", exposure_time="<< std::dec << ((*(data_end - 9) << 8) + *(data_end
-  //   - 10))
-  //   << ", checksum=0x" << std::hex << static_cast<int>(*(data_end - 11));
-
   std::size_t packet_n = sizeof(ImagePacket);
-  // LOG(INFO) << "ImagePacket Size: " << packet_n;
   std::vector<std::uint8_t> packet(packet_n);
   std::reverse_copy(data_end - packet_n, data_end, packet.begin());
 
   ImagePacket img_packet(packet.data());
-  // LOG(INFO) << "ImagePacket (new): header=0x" << std::hex <<
+  // LOG(INFO) << "ImagePacket: header=0x" << std::hex <<
   // static_cast<int>(img_packet.header)
   //   << ", size=0x" << std::hex << static_cast<int>(img_packet.size)
   //   << ", frame_id="<< std::dec << img_packet.frame_id
diff --git a/src/internal/types.h b/src/internal/types.h
index dd76ec2..6b740bd 100644
--- a/src/internal/types.h
+++ b/src/internal/types.h
@@ -147,10 +147,10 @@ struct ImagePacket {
   void from_data(std::uint8_t *data) {
     header = *data;
     size = *(data + 1);
-    frame_id = (*(data + 2) << 8) + *(data + 3);
-    timestamp = (*(data + 4) << 24) + (*(data + 5) << 16) + (*(data + 6) << 8) +
+    frame_id = (*(data + 2) << 8) | *(data + 3);
+    timestamp = (*(data + 4) << 24) | (*(data + 5) << 16) | (*(data + 6) << 8) |
                 *(data + 7);
-    exposure_time = (*(data + 8) << 8) + *(data + 9);
+    exposure_time = (*(data + 8) << 8) | *(data + 9);
     checksum = *(data + 10);
   }
 };
@@ -198,15 +198,15 @@ struct ImuSegment {
   }
 
   void from_data(std::uint8_t *data) {
-    offset = (*(data) << 8) + *(data + 1);
-    frame_id = (*(data + 2) << 8) + *(data + 3);
-    accel[0] = (*(data + 4) << 8) + *(data + 5);
-    accel[1] = (*(data + 6) << 8) + *(data + 7);
-    accel[2] = (*(data + 8) << 8) + *(data + 9);
-    temperature = (*(data + 10) << 8) + *(data + 11);
-    gyro[0] = (*(data + 12) << 8) + *(data + 13);
-    gyro[1] = (*(data + 14) << 8) + *(data + 15);
-    gyro[2] = (*(data + 16) << 8) + *(data + 17);
+    offset = (*(data) << 8) | *(data + 1);
+    frame_id = (*(data + 2) << 8) | *(data + 3);
+    accel[0] = (*(data + 4) << 8) | *(data + 5);
+    accel[1] = (*(data + 6) << 8) | *(data + 7);
+    accel[2] = (*(data + 8) << 8) | *(data + 9);
+    temperature = (*(data + 10) << 8) | *(data + 11);
+    gyro[0] = (*(data + 12) << 8) | *(data + 13);
+    gyro[1] = (*(data + 14) << 8) | *(data + 15);
+    gyro[2] = (*(data + 16) << 8) | *(data + 17);
   }
 };
 #pragma pack(pop)
@@ -228,9 +228,9 @@ struct ImuPacket {
   }
 
   void from_data(std::uint8_t *data) {
-    serial_number = (*(data) << 24) + (*(data + 1) << 16) + (*(data + 2) << 8) +
+    serial_number = (*(data) << 24) | (*(data + 1) << 16) | (*(data + 2) << 8) |
                     *(data + 3);
-    timestamp = (*(data + 4) << 24) + (*(data + 5) << 16) + (*(data + 6) << 8) +
+    timestamp = (*(data + 4) << 24) | (*(data + 5) << 16) | (*(data + 6) << 8) |
                 *(data + 7);
     count = *(data + 8);
 
@@ -262,7 +262,7 @@ struct ImuResPacket {
   void from_data(std::uint8_t *data) {
     header = *data;
     state = *(data + 1);
-    size = (*(data + 2) << 8) + *(data + 3);
+    size = (*(data + 2) << 8) | *(data + 3);
 
     std::size_t seg_n = sizeof(ImuSegment);  // 18
     for (std::size_t i = 4; i < size;) {