diff --git a/hgdriver/hgdev/imgproc-pak/fill_hole.cpp b/hgdriver/hgdev/imgproc-pak/fill_hole.cpp
index 228000f..52aa371 100644
--- a/hgdriver/hgdev/imgproc-pak/fill_hole.cpp
+++ b/hgdriver/hgdev/imgproc-pak/fill_hole.cpp
@@ -59,7 +59,7 @@ void hole_filler::enable(const char* name, bool able)
 {
 	enabled_ = able;
 }
-int hole_filler::process(const std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out)
+int hole_filler::process(std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out)
 {
 	int ret = SCANNER_ERR_OK;
 
diff --git a/hgdriver/hgdev/imgproc-pak/fill_hole.h b/hgdriver/hgdev/imgproc-pak/fill_hole.h
index 0d9a41b..5dc14b4 100644
--- a/hgdriver/hgdev/imgproc-pak/fill_hole.h
+++ b/hgdriver/hgdev/imgproc-pak/fill_hole.h
@@ -33,7 +33,7 @@ protected:
 public:
 	virtual int set_value(const char* name, void* val) override;
 	virtual void enable(const char* name, bool able) override;
-	virtual int process(const std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out) override;
+	virtual int process(std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out) override;
 };
 
 //{
diff --git a/sdk/imgprc/img_processor.h b/sdk/imgprc/img_processor.h
index 6640810..6183795 100644
--- a/sdk/imgprc/img_processor.h
+++ b/sdk/imgprc/img_processor.h
@@ -79,6 +79,6 @@ public:
 	int get_version(void) { return ver_; }
 	int get_position(void) { return pos_; }
 
-	virtual int process(const std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out) = 0;
+	virtual int process(std::vector<PROCIMGINFO>& in, std::vector<PROCIMGINFO>& out) = 0;
 };
 
diff --git a/sdk/imgprc/imgprc_mgr.cpp b/sdk/imgprc/imgprc_mgr.cpp
index e9b842e..6b363a5 100644
--- a/sdk/imgprc/imgprc_mgr.cpp
+++ b/sdk/imgprc/imgprc_mgr.cpp
@@ -7,6 +7,7 @@
 #include <huagaoxxx_warraper_ex.h>
 
 #include <imgproc-pak/fill_hole.h>
+#include <imgproc-pak/multi_out.h>
 
 
 static std::string device_opt_json[] = {
@@ -306,10 +307,16 @@ int imgproc_mgr::set_value(const char* name, void* val)
 int imgproc_mgr::load_processor(const char* path)
 {
 	int	ret = SCANNER_ERR_OK;
-	hole_filler* holer = new hole_filler();
 
-	opts_->add(holer);
-	holer->release();
+#define ADD_IMG_PROCESSOR(cls)	\
+	{							\
+		cls *obj = new cls();	\
+		opts_->add(obj);		\
+		obj->release();			\
+	}
+
+	ADD_IMG_PROCESSOR(hole_filler);
+	ADD_IMG_PROCESSOR(multi_outer);
 
 	std::sort(processors_.begin(), processors_.end(), &imgproc_mgr::sort_processor_by_pos);