diff --git a/controllers/resource.go b/controllers/resource.go
index a7b5079c..e300f0f5 100644
--- a/controllers/resource.go
+++ b/controllers/resource.go
@@ -180,6 +180,7 @@ func (c *ApiController) UploadResource() {
 		fileType, _ = util.GetOwnerAndNameFromId(mimeType)
 	}
 
+	fullFilePath = object.GetTruncatedPath(provider, fullFilePath, 175)
 	if tag != "avatar" && tag != "termsOfUse" {
 		ext := filepath.Ext(filepath.Base(fullFilePath))
 		index := len(fullFilePath) - len(ext)
diff --git a/object/storage.go b/object/storage.go
index 6f6c5e1d..c7d60122 100644
--- a/object/storage.go
+++ b/object/storage.go
@@ -18,6 +18,7 @@ import (
 	"bytes"
 	"fmt"
 	"net/url"
+	"path/filepath"
 	"strings"
 
 	"github.com/casdoor/casdoor/conf"
@@ -54,6 +55,25 @@ func escapePath(path string) string {
 	return res
 }
 
+func GetTruncatedPath(provider *Provider, fullFilePath string, limit int) string {
+	pathPrefix := util.UrlJoin(util.GetUrlPath(provider.Domain), provider.PathPrefix)
+
+	dir, file := filepath.Split(fullFilePath)
+	ext := filepath.Ext(file)
+	fileName := strings.TrimSuffix(file, ext)
+	for {
+		escapedString := escapePath(escapePath(fullFilePath))
+		if len(escapedString) < limit-len(pathPrefix) {
+			break
+		}
+		rs := []rune(fileName)
+		fileName = string(rs[0 : len(rs)-1])
+		fullFilePath = dir + fileName + ext
+	}
+
+	return fullFilePath
+}
+
 func GetUploadFileUrl(provider *Provider, fullFilePath string, hasTimestamp bool) (string, string) {
 	escapedPath := util.UrlJoin(provider.PathPrefix, escapePath(fullFilePath))
 	objectKey := util.UrlJoin(util.GetUrlPath(provider.Domain), escapedPath)