diff --git a/htmlpage/html.go b/htmlpage/html.go
index 29831177..5cd9db18 100644
--- a/htmlpage/html.go
+++ b/htmlpage/html.go
@@ -76,7 +76,7 @@ func NewBuiltTemplate(embeddedFiles embed.FS, subdir string, files ...string) *B
 			template: parseEmbedded(embeddedFiles, subdir, files),
 		}
 	}
-	TemplatesByFilename[files[0]] = result
+	TemplatesByFilename[path.Base(files[0])] = result
 	return &result
 }
 
diff --git a/htmlpage/sync/page.go b/htmlpage/sync/page.go
index 5daefbe7..4dede9b5 100644
--- a/htmlpage/sync/page.go
+++ b/htmlpage/sync/page.go
@@ -239,7 +239,7 @@ func Mock(t string, w http.ResponseWriter, code string) {
 			SettingUserAdd:      "/mock/setting/user/add",
 		},
 	}
-	template, ok := htmlpage.TemplatesByFilename[t]
+	template, ok := htmlpage.TemplatesByFilename[t+".html"]
 	if !ok {
 		log.Error().Str("template", t).Msg("Failed to find template")
 		respondError(w, "Failed to render template", nil, http.StatusInternalServerError)