update some iamges, update readme

README.md

@@ -134,7 +134,7 @@ Examples:
 
 you can see:
 
-![run-example](_examples/images/run-example.jpg)
+![run-example](_examples/images/run-example.png)
 
 #### Display Command Help
 
@@ -289,7 +289,7 @@ func exampleExecute(c *gcli.Command, args []string) error {
 go build ./_examples/cliapp.go && ./cliapp example -h
 ```
 
-![cmd-help](_examples/images/cmd-help.jpg)
+![cmd-help](_examples/images/cmd-help.png)
 
 ### Bind Option(flag)
 

README.zh-CN.md

@@ -138,7 +138,7 @@ func main() {
 ./cliapp help {command}
 ```
 
-![cmd-help](_examples/images/cmd-help.jpg)
+![cmd-help](_examples/images/cmd-help.png)
 
 #### 相似命令提示
 
@@ -162,7 +162,7 @@ func main() {
 
 可以观察到选项和参数的搜集结果:
 
-![run-example](_examples/images/run-example.jpg)
+![run-example](_examples/images/run-example.png)
 
 ## 生成命令补全脚本
 
@@ -302,7 +302,7 @@ go build ./_examples/cliapp.go && ./cliapp example -h
 
 > 漂亮的帮助信息就已经自动生成并展示出来了
 
-![cmd-help](_examples/images/cmd-help.jpg)
+![cmd-help](_examples/images/cmd-help.png)
 
 ### 添加选项
 

_examples/cmd/example.go

@@ -66,27 +66,29 @@ var Example = &gcli.Command{
 // example run:
 // 	go run ./_examples/cliapp.go ex -c some.txt -d ./dir --id 34 -n tom -n john val0 val1 val2 arrVal0 arrVal1 arrVal2
 func exampleExecute(c *gcli.Command, args []string) error {
-	color.Cyan.Println("hello, in example command")
+	color.Infoln("hello, in example command")
 
 	if exampleOpts.showErr {
 		return c.Errorf("OO, An error has occurred!!")
 	}
 
 	magentaln := color.Magenta.Println
 
-	magentaln("All options:")
-	fmt.Printf("%+v\n", exampleOpts)
+	color.Cyanln("All Aptions:")
+	// fmt.Printf("%+v\n", exampleOpts)
 	dump.V(exampleOpts)
-	magentaln("Remain args:")
-	fmt.Printf("%v\n", args)
+
+	color.Cyanln("Remain Args:")
+	// fmt.Printf("%v\n", args)
+	dump.P(args)
 
 	magentaln("Get arg by name:")
 	arr := c.Arg("arg0")
 	fmt.Printf("named arg '%s', value: %#v\n", arr.Name, arr.Value)
 
 	magentaln("All named args:")
 	for _, arg := range c.Args() {
-		fmt.Printf("named arg '%s': %+v\n", arg.Name, arg.Value)
+		fmt.Printf("- named arg '%s': %+v\n", arg.Name, arg.Value)
 	}
 
 	return nil