From 4bfdef17ee33f3968ae91669dc1caf1987b89420 Mon Sep 17 00:00:00 2001
From: cooip-jm <78735965+cooip-jm@users.noreply.github.com>
Date: Tue, 2 Jul 2024 21:01:11 +0800
Subject: [PATCH] =?UTF-8?q?=20=E5=A4=84=E7=90=86grpc-opts=E4=B8=BA=20{}=20?=
 =?UTF-8?q?=E7=9A=84=E6=83=85=E5=86=B5?=
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该字段仅影响sing-box内核，对mihomo无影响
---
 backend/src/core/proxy-utils/index.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/backend/src/core/proxy-utils/index.js b/backend/src/core/proxy-utils/index.js
index dbf46f68d..00874d50f 100644
--- a/backend/src/core/proxy-utils/index.js
+++ b/backend/src/core/proxy-utils/index.js
@@ -415,6 +415,13 @@ function lastParse(proxy) {
         ) {
             delete proxy['reality-opts'];
         }
+        // 删除 grpc-opts: {}
+        if (
+            proxy['grpc-opts'] &&
+            Object.keys(proxy['grpc-opts']).length === 0
+        ) {
+            delete proxy['grpc-opts'];
+        }
         // 非 reality, 空 flow 没有意义
         if (!proxy['reality-opts'] && !proxy.flow) {
             delete proxy.flow;