diff --git a/hardware/hardware.cpp b/hardware/hardware.cpp
index dd36870..ea668fd 100644
--- a/hardware/hardware.cpp
+++ b/hardware/hardware.cpp
@@ -387,8 +387,11 @@ void scanner_hw::thread_image_capture(bool paper_ready)
     utils::to_log(LOG_LEVEL_DEBUG, "set capture thread to CPU %d = %d\n", CPU_MAJOR_0, utils::set_cpu_affinity(&cpu[0], cpu.size()));
 #endif
 
+    img.pos.paper_all = 1;
+    img.pos.ind_in_paper = 0;
     avail_mem.enable_wait_log(false);
     motor_->clear_error();
+
     if(paper_ready)
         motor_->start();
     scanstream.mode = count_mode_ ? devui::SCAN_COUNT_MODE : devui::SCAN_NORMAL;
diff --git a/imgproc/algs/rebuild.cpp b/imgproc/algs/rebuild.cpp
index a37a4de..7e4d693 100644
--- a/imgproc/algs/rebuild.cpp
+++ b/imgproc/algs/rebuild.cpp
@@ -84,8 +84,11 @@ void rebuild::do_rebuild(LPPACKIMAGE info, uint8_t* stream, std::vector<PROCIMGI
 
     o.info.prc_stage = get_position();
     o.info.pos.paper_side = PAPER_SIDE_FRONT;
+    o.info.pos.paper_all = 2;
+    o.info.pos.ind_in_paper = 0;
     out.push_back(o);
     o.info.pos.paper_side = PAPER_SIDE_BACK;
+    o.info.pos.ind_in_paper = 1;
     out.push_back(o);
 
     if(info->width == linel)  // gray
diff --git a/imgproc/imgprc_mgr.cpp b/imgproc/imgprc_mgr.cpp
index 2a8c29f..7fbd1e8 100644
--- a/imgproc/imgprc_mgr.cpp
+++ b/imgproc/imgprc_mgr.cpp
@@ -468,8 +468,14 @@ void imgproc_mgr::send_image(LPPAGEDPARAM obj, std::vector<PROCIMGINFO>& imgs, b
 	// 	}
 	// }
 
+	int	total = imgs.size(),
+		ind = 0;
 	for(auto& v: imgs)
+	{
+		v.info.pos.paper_all = total;
+		v.info.pos.ind_in_paper = ind++;
 		imgproc_mgr::send_image(obj, &v.info, v.img, v.ext_info.empty() ? nullptr : &v.ext_info[0], v.ext_info.length(), last);
+	}
 
 	// if(last)
 	// 	sent_ind_++;
diff --git a/sdk/base/data.h b/sdk/base/data.h
index 6e9c354..88c9569 100644
--- a/sdk/base/data.h
+++ b/sdk/base/data.h
@@ -402,7 +402,7 @@ public:
 #define FUNCTION_PROTO_PARAMETERS       dyn_mem_ptr, uint32_t*, packet_data_base_ptr*
 #define FUNCTION_PROTO_COMMAND_HANDLE   dyn_mem_ptr(FUNCTION_PROTO_PARAMETERS)
 
-#define USE_THREAD_PAGED_DATA
+// #define USE_THREAD_PAGED_DATA
 #define REBUILD_IN_CIS_THREAD
 // #define BIND_CPU
 
diff --git a/sdk/base/packet.h b/sdk/base/packet.h
index 457a9d8..3bfd0d3 100644
--- a/sdk/base/packet.h
+++ b/sdk/base/packet.h
@@ -293,7 +293,9 @@ typedef struct _config_val
 
 typedef struct _img_pos
 {
-	uint64_t		paper_ind : 32;		// paper index in this turn/start, based ZERO. (image-collector set)
+	uint64_t		paper_ind : 22;		// paper index in this turn/start, based ONE. (image-collector set)
+	uint64_t		paper_all : 5;		// total images of this paper
+	uint64_t		ind_in_paper: 5;	// image index of this paper, based ZERO
 	uint64_t	    new_img : 1;        // 0 - partial data; 1 - new image data. (image-collector set)
 	uint64_t		img_over : 1;       // 0 - has data yet; 1 - END for the image. (image-collector set)
 	uint64_t		paper_side : 3;		// enum paper_side. front of paper(When scanning multiple sheets, the paper feeding side is the front side). (image-collector set)