diff --git a/routers/hat/repo/file.go b/routers/hat/repo/file.go
index b3558f9..5da080f 100644
--- a/routers/hat/repo/file.go
+++ b/routers/hat/repo/file.go
@@ -134,7 +134,7 @@ func GetReadmeContents(ctx *context.APIContext) {
 		return
 	}
 
-	ref := ctx.Params(":ref")
+	ref := ctx.FormString("ref")
 	readmeSortArr := []string{"readme", "readme.en.md", "readme_en.md", "readme.md", "readme.ch.md", "readme_ch.md", "readme.zh.md", "readme_zh.md", "readme.cn.md", "readme_cn.md"}
 	readmePath := ""
 	readmePathInArrIndex := 0
@@ -188,7 +188,7 @@ func GetReadmeContentsByPath(ctx *context.APIContext) {
 		return
 	}
 	treePath := ctx.Params("*")
-	ref := ctx.Params(":ref")
+	ref := ctx.FormString("ref")
 	readmeSortArr := []string{"readme", "readme.en.md", "readme_en.md", "readme.md", "readme.ch.md", "readme_ch.md", "readme.zh.md", "readme_zh.md", "readme.cn.md", "readme_cn.md"}
 	readmePath := ""
 	readmePathInArrIndex := 0
diff --git a/routers/hat/repo/tag.go b/routers/hat/repo/tag.go
index feaa334..15206d6 100644
--- a/routers/hat/repo/tag.go
+++ b/routers/hat/repo/tag.go
@@ -66,7 +66,7 @@ func BranchTagCount(ctx *context.APIContext) {
 
 func BranchNameSet(ctx *context.APIContext) {
 
-	searchName := ctx.Params("name")
+	searchName := ctx.FormString("name")
 	branches, _, err := ctx.Repo.GitRepo.GetBranchNames(0, 0) //get count of the branch
 	if err != nil {
 		ctx.ServerError("GetBranches", err)
@@ -90,7 +90,7 @@ func BranchNameSet(ctx *context.APIContext) {
 
 func TagNameSet(ctx *context.APIContext) {
 
-	searchName := ctx.Params("name")
+	searchName := ctx.FormString("name")
 
 	tags, err := ctx.Repo.GitRepo.GetTags(0, 0)
 	if err != nil {