diff --git a/script/bql.go b/script/bql.go
index 8e10ae5..c83db83 100644
--- a/script/bql.go
+++ b/script/bql.go
@@ -17,6 +17,7 @@ type QueryParams struct {
 	AccountType string `bql:"account ~"`
 	OrderBy     string `bql:"order by"`
 	Limit       int    `bql:"limit"`
+	Path        string
 }
 
 func GetQueryParams(c *gin.Context) QueryParams {
@@ -41,6 +42,9 @@ func GetQueryParams(c *gin.Context) QueryParams {
 		hasWhere = true
 	}
 	queryParams.Where = hasWhere
+	if c.Query("path") != "" {
+		queryParams.Path = c.Query("path")
+	}
 	return queryParams
 }
 
diff --git a/script/file.go b/script/file.go
index 78c49f8..10127d1 100644
--- a/script/file.go
+++ b/script/file.go
@@ -47,6 +47,27 @@ func CreateFile(filePath string) error {
 	return nil
 }
 
+func CopyFile(sourceFilePath string, targetFilePath string) error {
+	if !FileIfExist(sourceFilePath) {
+		panic("File is not found, " + sourceFilePath)
+	}
+	if !FileIfExist(targetFilePath) {
+		err := CreateFile(targetFilePath)
+		if err != nil {
+			return err
+		}
+	}
+	bytes, err := ReadFile(sourceFilePath)
+	if err != nil {
+		return err
+	}
+	err = WriteFile(targetFilePath, string(bytes))
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func MkDir(dirPath string) error {
 	err := os.MkdirAll(dirPath, os.ModePerm)
 	if nil != err {
diff --git a/server.go b/server.go
index 615d3ae..0679b68 100644
--- a/server.go
+++ b/server.go
@@ -58,6 +58,9 @@ func RegisterRouter(router *gin.Engine) {
 		authorized.GET("/transactions/payee", service.QueryTransactionsPayee)
 		authorized.GET("/transactions/template", service.QueryTransactionsTemplate)
 		authorized.GET("/tags", service.QueryTags)
+		authorized.GET("/file/dir", service.QueryLedgerSourceFileDir)
+		authorized.GET("/file/content", service.QueryLedgerSourceFileContent)
+		authorized.POST("/file", service.UpdateLedgerSourceFileContent)
 
 		// 兼容旧版本
 		authorized.GET("/entry", service.QueryTransactions)
diff --git a/service/source_file.go b/service/source_file.go
new file mode 100644
index 0000000..8cba8ab
--- /dev/null
+++ b/service/source_file.go
@@ -0,0 +1,96 @@
+package service
+
+import (
+	"fmt"
+	"github.com/beancount-gs/script"
+	"github.com/gin-gonic/gin"
+	"os"
+	"strings"
+	"time"
+)
+
+func QueryLedgerSourceFileDir(c *gin.Context) {
+	ledgerConfig := script.GetLedgerConfigFromContext(c)
+	result, err := dirs(ledgerConfig.DataPath, ledgerConfig.DataPath)
+	if err != nil {
+		InternalError(c, err.Error())
+		return
+	}
+	OK(c, result)
+}
+
+func dirs(parent string, dirPath string) ([]string, error) {
+	result := make([]string, 0)
+	rd, err := os.ReadDir(dirPath)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, dir := range rd {
+		parentDir := dirPath + "/" + dir.Name()
+		if dir.IsDir() {
+			// 跳过备份文件夹
+			if dir.Name() == "bak" {
+				continue
+			}
+			files, err := dirs(parent, parentDir)
+			if err != nil {
+				return nil, err
+			}
+			result = append(result, files...)
+		} else {
+			fmt.Println(parentDir)
+			result = append(result, strings.ReplaceAll(parentDir, parent+"/", ""))
+		}
+	}
+	return result, nil
+}
+
+func QueryLedgerSourceFileContent(c *gin.Context) {
+	ledgerConfig := script.GetLedgerConfigFromContext(c)
+	queryParams := script.GetQueryParams(c)
+	if queryParams.Path == "" {
+		BadRequest(c, "params must not be blank")
+		return
+	}
+	bytes, err := script.ReadFile(ledgerConfig.DataPath + "/" + queryParams.Path)
+	if err != nil {
+		InternalError(c, err.Error())
+		return
+	}
+	OK(c, string(bytes))
+}
+
+type UpdateSourceFileForm struct {
+	Path    string `form:"path" binding:"required"`
+	Content string `form:"content" binding:"required"`
+}
+
+func UpdateLedgerSourceFileContent(c *gin.Context) {
+	ledgerConfig := script.GetLedgerConfigFromContext(c)
+
+	var updateSourceFileForm UpdateSourceFileForm
+	if err := c.ShouldBindJSON(&updateSourceFileForm); err != nil {
+		BadRequest(c, err.Error())
+		return
+	}
+
+	sourceFilePath := ledgerConfig.DataPath + "/" + updateSourceFileForm.Path
+	targetFilePath := ledgerConfig.DataPath + "/bak/" + time.Now().Format("20060102150405") + "_" + updateSourceFileForm.Path
+	// 备份数据
+	if ledgerConfig.IsBak {
+		err := script.CopyFile(sourceFilePath, targetFilePath)
+		if err != nil {
+			InternalError(c, err.Error())
+			return
+		}
+	}
+
+	err := script.WriteFile(sourceFilePath, updateSourceFileForm.Content)
+	if err != nil {
+		InternalError(c, err.Error())
+		return
+	}
+
+	OK(c, nil)
+}