From 6e5510e73897874fabc6915ea5a1b4191ca5f587 Mon Sep 17 00:00:00 2001
From: liukaijie <liukaijie95@163.com>
Date: Tue, 26 Sep 2023 17:55:10 +0800
Subject: [PATCH] Fix: `#[serde(default)]` can only be used on structs

---
 dubbo-build/src/prost.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dubbo-build/src/prost.rs b/dubbo-build/src/prost.rs
index 1cd92f66..83864695 100644
--- a/dubbo-build/src/prost.rs
+++ b/dubbo-build/src/prost.rs
@@ -94,7 +94,7 @@ impl Builder {
         };
         config.out_dir(out_dir);
         config.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]");
-        config.type_attribute(".", "#[serde(default)]");
+        config.message_attribute(".", "#[serde(default)]");
 
         if self.compile_well_known_types {
             config.compile_well_known_types();