diff --git a/Makefile b/Makefile
index 18f21a346..78ca69a59 100755
--- a/Makefile
+++ b/Makefile
@@ -28,9 +28,9 @@ MAKE_FLAGS				+= -j$(shell cat /proc/cpuinfo | grep processor | wc -l)
 endif
 endif
 
-.PHONY : demo conntrack netlink trace
+.PHONY : demo conntrack netlink trace openrpc
 
-all: demo conntrack netlink trace
+all: demo conntrack netlink trace openrpc
 
 ifeq ($(OPT), install)
 #$(shell `find ../release -name "*.zip" -delete`)
@@ -111,3 +111,12 @@ else
 	$(MLOG)make all $(MAKE_FLAGS) -C Platform/build -f user.trace.test.Makefile MLOG=$(MLOG) DISABLE_WARRING=$(DIS_BUILD_WARRING) MAKE_TARGET=trace-test
 endif
 
+openrpc:
+ifeq ($(OPT), clean)	
+	$(MLOG)make $(MAKE_FLAGS) -C Platform/build -f user.openrpc.Makefile cleanall MLOG=$(MLOG) MAKE_TARGET=openrpc
+else ifeq ($(OPT), install)
+	$(MLOG)make $(MAKE_FLAGS) -C Platform/build -f user.openrpc.Makefile install DIR=$(DIR) MLOG=$(MLOG) MAKE_TARGET=openrpc	
+else
+	$(MLOG)make all $(MAKE_FLAGS) -C Platform/build -f user.openrpc.Makefile MLOG=$(MLOG) DISABLE_WARRING=$(DIS_BUILD_WARRING) MAKE_TARGET=openrpc	
+endif
+
diff --git a/Platform/build/user.openrpc.Makefile b/Platform/build/user.openrpc.Makefile
index a919f4610..6658ff0e2 100755
--- a/Platform/build/user.openrpc.Makefile
+++ b/Platform/build/user.openrpc.Makefile
@@ -1,5 +1,5 @@
 # target name, the target name must have the same name of c source file
-TARGET_NAME=test-trace
+TARGET_NAME=openrpc
 
 # target 
 # for linux module driver: KO
@@ -43,8 +43,8 @@ PLAT_LINUX_LDFLAGS :=  $(PLAT_ARM64_LDFLAGS)
 
 
 #gcc libs
-ARM64_LIBS		:= -lpthread -lev -lm
-LINUX_LIBS		:= -lpthread -lev -lm 
+ARM64_LIBS		:= -lpthread -lm
+LINUX_LIBS		:= -lpthread -lm 
 
 ifeq	($(PLAT_ARM64), TRUE)
 DEPEND_LIB			+=  
@@ -52,7 +52,7 @@ USER_CLEAN_ITEMS	+=
 endif
 
 ifeq	($(PLAT_LINUX), TRUE)
-DEPEND_LIB			+= 
+DEPEND_LIB			+= ../thirdparty/x86_64/libev.so
 USER_CLEAN_ITEMS	+= 
 endif