From a0b4df745ed46071232a36fec679120ee9c67e21 Mon Sep 17 00:00:00 2001
From: GW_MC <72297530+GWMCwing@users.noreply.github.com>
Date: Wed, 31 Dec 2025 18:03:54 +0800
Subject: [PATCH] fix upstream does not contain a target when init

---
 apps/api/src/services/nginx/info/upstream.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/apps/api/src/services/nginx/info/upstream.rs b/apps/api/src/services/nginx/info/upstream.rs
index cd0f078..17dcdf2 100644
--- a/apps/api/src/services/nginx/info/upstream.rs
+++ b/apps/api/src/services/nginx/info/upstream.rs
@@ -54,13 +54,13 @@ impl NginxConfigProvider for UpstreamInfo {
             .iter()
             .map(|target| target.to_nginx_config(Some(indent.unwrap_or(0) + INDENT_SIZE)))
             .collect();
-
-        format!(
-            "upstream {} {{\n{}\n}}",
-            self.name,
-            targets_config.join("\n".indent(indent.unwrap_or(0) + INDENT_SIZE).as_str())
-        )
-        .indent(indent.unwrap_or(0))
+        let targets_config_str = if targets_config.is_empty() {
+            "server 127.0.0.1:65535 down; # placeholder target".to_string()
+        } else {
+            targets_config.join("\n")
+        }
+        .indent(indent.unwrap_or(0) + INDENT_SIZE);
+        format!("upstream {} {{\n{}\n}}", self.name, targets_config_str).indent(indent.unwrap_or(0))
     }
 }