diff --git a/logcat/Makefile b/logcat/Makefile
index 19a47c5..ccdfd7e 100644
--- a/logcat/Makefile
+++ b/logcat/Makefile
@@ -7,15 +7,19 @@ OBJ = logcat.o
 CFLAGS = -Wall -Wextra -I $(LOGCAT_DIR)/include -DHAVE_IOCTL
 LDFLAGS = -L$(STAGING_DIR)/usr/lib -llog
 TARGET=logcat
+TEST := logcat_test
 
 # rules
-all: $(TARGET)
+all: $(TARGET) $(TEST)
 
 $(TARGET): $(OBJ)
+	$(CXX) $(LDFLAGS) $^ -o $@
+
+$(TEST): logcat_test.c
 	$(CC) $(LDFLAGS) $^ -o $@
 
 %.o: %.cpp
-	$(CC) -c $(CFLAGS) $^ -o $@
+	$(CXX) -c $(CFLAGS) $^ -o $@
 
 .PHONY: clean
 
diff --git a/logcat/logcat_test.c b/logcat/logcat_test.c
new file mode 100644
index 0000000..b48bcdb
--- /dev/null
+++ b/logcat/logcat_test.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <cutils/log.h>
+#include <unistd.h>
+
+int main(int argc, char ** argv){
+    while (1){
+        sleep(1);
+        ALOGE("abert %s: test======>%d \n", __FUNCTION__, __LINE__);
+    }
+    return 0;
+}