fix a issue when provide yaml with -d

demo/numb.yaml

@@ -7,7 +7,7 @@ field: number
 prefix: "'"
 postfix: "'"
 loop: 2
-loopfix: "-"
+loopfix: "."
 ranges:
   small: 1-9
   medium: 11-99

src/action/generator.go

@@ -18,14 +18,15 @@ import (
 
 func Generate(deflt string, yml string, total int, fieldsToExportStr string, out string, format string, table string) {
 	startTime := time.Now().Unix()
-	vari.InputDir = filepath.Dir(yml) + string(os.PathSeparator)
-	constant.Total = total
 
 	if deflt != "" && yml == "" {
 		yml = deflt
 		deflt = ""
 	}
 
+	vari.InputDir = filepath.Dir(yml) + string(os.PathSeparator)
+	constant.Total = total
+
 	fieldsToExport := strings.Split(fieldsToExportStr, ",")
 	rows, colTypes := gen.GenerateForDefinition(deflt, yml, fieldsToExport, total)
 	content := Print(rows, format, table, colTypes, fieldsToExport)

src/gen/generator.go

@@ -183,7 +183,7 @@ func LoopSubFields(field *model.DefField, oldValues []string, total int) []strin
 	count := 0
 	for {
 		// 处理格式、前后缀、loop等
-		str := GenerateFieldValWithFix(*field, fieldValue, &index, false)
+		str := GenerateFieldValWithFix(*field, fieldValue, &index, true)
 		values = append(values, str)
 
 		count++