fix(static): correct CDN fetch condition for index.html (#814)

Author: xrgzs

server/static/static.go

@@ -44,7 +44,8 @@ func replaceStrings(content string, replacements map[string]string) string {
 func initIndex() {
 	utils.Log.Debug("Initializing index.html...")
 	siteConfig := getSiteConfig()
-	if conf.Conf.DistDir != "" || (conf.Conf.Cdn != "" && (conf.WebVersion == "" || conf.WebVersion == "beta" || conf.WebVersion == "dev")) {
+	// dist_dir is empty and cdn is not empty add web_version is empty or beta or dev
+	if conf.Conf.DistDir == "" && conf.Conf.Cdn != "" && (conf.WebVersion == "" || conf.WebVersion == "beta" || conf.WebVersion == "dev") {
 		utils.Log.Infof("Fetching index.html from CDN: %s/index.html...", conf.Conf.Cdn)
 		resp, err := base.RestyClient.R().
 			SetHeader("Accept", "text/html").