diff --git a/README.md b/README.md
index 1deecce..997f3fa 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ options:
 
 - `-v` enable inverse the character color.
 - `-g` enable gif mode(test), print every frame of gif image.
+- `-l` use network url to load image.
 - `-s value` set the scale for images(value default 0.5, (0, +)).
 - `-t value` set the threshold of binarization(value default generate by OTSU, [-1, 255]).
 
diff --git a/cli/makefile b/cli/makefile
deleted file mode 100644
index fc861d8..0000000
--- a/cli/makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-VERSION=V1.4.0
-EXE=bobibo
-DESTDIR :=
-
-.PHONY: default build install uninstall
-default: build
-
-build: cli.go
-	go build -ldflags="-X 'main.version=$(VERSION)' -s -w" -o $(EXE)
-	@echo Build Success !!!
-
-install: $(EXE)
-	install -Dm755 $(EXE) $(DESTDIR)/usr/bin/$(EXE)
-	@echo install Success !!!
-
-uninstall:
-	rm -f $(DESTDIR)/usr/bin/$(EXE)
-	@echo uninstall Success !!!
diff --git a/makefile b/makefile
index 030e823..edec835 100644
--- a/makefile
+++ b/makefile
@@ -1,11 +1,32 @@
-.PHONY: build block cpu mem
+VERSION=V1.4.0
+EXE=bobibo
+DESTDIR :=
+
+.PHONY: default build install uninstall block cpu mem
+default: build
+
+build: cli/cli.go
+	go build -ldflags="-X 'main.version=$(VERSION)' -s -w" -o $(EXE)
+	@echo Build Success !!!
+
+install: $(EXE)
+	install -Dm755 $(EXE) $(DESTDIR)/usr/bin/$(EXE)
+	@echo install Success !!!
+
+uninstall:
+	rm -f $(DESTDIR)/usr/bin/$(EXE)
+	@echo uninstall Success !!!
 
 test:
 	go test -bench=. -cpu=4 -blockprofile=block.pprof -cpuprofile=cpu.pprof -memprofile=mem.pprof
+
 block: block.pprof
 	go tool pprof -http=:9999 block.pprof
+
 cpu: cpu.pprof
 	go tool pprof -http=:9999 cpu.pprof
+
 mem: mem.pprof
+
 	go tool pprof -http=:9999 mem.pprof