refact: modify db config

api/v1/formula/handler.go

@@ -3,6 +3,7 @@ package formula
 import (
 	"net/http"
 	"path/filepath"
+	"strings"
 
 	"gitea.com/bitwsd/document_ai/internal/model/formula"
 	"gitea.com/bitwsd/document_ai/internal/service"
@@ -46,7 +47,7 @@ func (endpoint *FormulaEndpoint) CreateTask(ctx *gin.Context) {
 		return
 	}
 
-	fileExt := filepath.Ext(req.FileName)
+	fileExt := strings.ToLower(filepath.Ext(req.FileName))
 	if !utils.InArray(fileExt, []string{".jpg", ".jpeg", ".png", ".gif", ".bmp", ".tiff", ".webp"}) {
 		ctx.JSON(http.StatusOK, common.ErrorResponse(ctx, common.CodeParamError, "Invalid file type"))
 		return