添加空字符判断

config.go

@@ -27,17 +27,22 @@ func (curls *YamlCurls) UnmarshalYAML(unmarshal func(interface{}) error) error {
 
 	switch tbuf := buf.(type) {
 	case string:
-
+		if tbuf != "" {
 			for _, curlinfo := range parseCurl(tbuf) {
 				*curls = append(*curls, curlinfo)
 			}
+		}
 
 	case []interface{}:
 		for _, ifa := range tbuf {
-			for _, curlinfo := range parseCurl(ifa.(string)) {
+			curlstr := ifa.(string)
+			if curlstr != "" {
+				for _, curlinfo := range parseCurl(curlstr) {
 					*curls = append(*curls, curlinfo)
 				}
 			}
+
+		}
 	default:
 		return errors.New("read curls is error, " + reflect.TypeOf(buf).String())