diff --git a/src/cmd/lib.go b/src/cmd/lib.go
index 9af89eb..eaf7b80 100644
--- a/src/cmd/lib.go
+++ b/src/cmd/lib.go
@@ -2,7 +2,12 @@ package cmd
 
 import (
 	"fmt"
+	"io"
+	"net/http"
 	"os"
+	"regexp"
+	"strconv"
+	"strings"
 )
 
 var (
@@ -40,3 +45,51 @@ func Execute() {
 		os.Exit(1)
 	}
 }
+
+// FindChapterTitle 解析文件夹标题
+func FindChapterTitle(url string, num int) string {
+	resp, err := http.Get(url)
+	if err != nil {
+		fmt.Println("请求文件夹标题失败:", err)
+		return ""
+	}
+
+	defer func(Body io.ReadCloser) {
+		err := Body.Close()
+		if err != nil {
+			fmt.Println("文件夹标题http请求关闭失败:", err)
+			return
+		}
+	}(resp.Body)
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println("文件夹标题读取失败:", err)
+		return ""
+	}
+
+	content := string(body)
+	re := regexp.MustCompile(`\\u7b2c` + strconv.Itoa(num) + `\\u8bdd (.+?)"`)
+	matches := re.FindAllStringSubmatch(content, -1)
+
+	if len(matches) == 0 {
+		return ""
+	}
+	unquoted, err := strconv.Unquote(`"` + matches[0][1] + `"`)
+	if err != nil {
+		fmt.Println("文件夹标题转码失败:", err)
+		return ""
+	}
+
+	replacements := map[string]string{
+		"?": "？",
+		":": "：",
+		"!": "！",
+	}
+	unquoted = strings.TrimSpace(unquoted)
+	for old, re := range replacements {
+		unquoted = strings.ReplaceAll(unquoted, old, re)
+	}
+
+	return unquoted
+}
diff --git a/src/cmd/start.go b/src/cmd/start.go
index 24765d9..028d84d 100644
--- a/src/cmd/start.go
+++ b/src/cmd/start.go
@@ -7,7 +7,6 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
-	"regexp"
 	"strconv"
 	"strings"
 	"sync"
@@ -19,7 +18,7 @@ var wg sync.WaitGroup
 func start() {
 	path := output
 	if folderTitleUrl != "" {
-		chapterTitle := findChapterTitle(folderTitleUrl, chapter)
+		chapterTitle := FindChapterTitle(folderTitleUrl, chapter)
 		title := strings.Join([]string{
 			"第",
 			strconv.Itoa(chapter),
@@ -108,51 +107,3 @@ func get(num int, path string) {
 		return
 	}
 }
-
-// findChapterTitle 解析文件夹标题
-func findChapterTitle(url string, num int) string {
-	resp, err := http.Get(url)
-	if err != nil {
-		fmt.Println("请求文件夹标题失败:", err)
-		return ""
-	}
-
-	defer func(Body io.ReadCloser) {
-		err := Body.Close()
-		if err != nil {
-			fmt.Println("文件夹标题http请求关闭失败:", err)
-			return
-		}
-	}(resp.Body)
-
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		fmt.Println("文件夹标题读取失败:", err)
-		return ""
-	}
-
-	content := string(body)
-	re := regexp.MustCompile(`\\u7b2c` + strconv.Itoa(num) + `\\u8bdd (.+?)"`)
-	matches := re.FindAllStringSubmatch(content, -1)
-
-	if len(matches) == 0 {
-		return ""
-	}
-	unquoted, err := strconv.Unquote(`"` + matches[0][1] + `"`)
-	if err != nil {
-		fmt.Println("文件夹标题转码失败:", err)
-		return ""
-	}
-
-	replacements := map[string]string{
-		"?": "？",
-		":": "：",
-		"!": "！",
-	}
-	unquoted = strings.TrimSpace(unquoted)
-	for old, re := range replacements {
-		unquoted = strings.ReplaceAll(unquoted, old, re)
-	}
-
-	return unquoted
-}