From f31de6d940a5406765d4ec6410b88324ab06ac5f Mon Sep 17 00:00:00 2001
From: yilei <87119538@qq.com>
Date: Wed, 25 Aug 2021 19:01:40 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96Consul=20PollForChanges?=
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---
 src/Grpc.Extension.Client/Options/JaegerOptions.cs            | 2 +-
 src/Grpc.Extension.Discovery/Consul/ConsulServiceDiscovery.cs | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Grpc.Extension.Client/Options/JaegerOptions.cs b/src/Grpc.Extension.Client/Options/JaegerOptions.cs
index 90970dc..9473f7d 100644
--- a/src/Grpc.Extension.Client/Options/JaegerOptions.cs
+++ b/src/Grpc.Extension.Client/Options/JaegerOptions.cs
@@ -12,7 +12,7 @@ public class JaegerOptions
         /// <summary>
         /// 是否启用Jaeger
         /// </summary>
-        public bool Enable { get; set; } = true;
+        public bool Enable { get; set; }
 
         /// <summary>
         /// 服务名
diff --git a/src/Grpc.Extension.Discovery/Consul/ConsulServiceDiscovery.cs b/src/Grpc.Extension.Discovery/Consul/ConsulServiceDiscovery.cs
index 0a7c6ec..f5f22cd 100644
--- a/src/Grpc.Extension.Discovery/Consul/ConsulServiceDiscovery.cs
+++ b/src/Grpc.Extension.Discovery/Consul/ConsulServiceDiscovery.cs
@@ -31,7 +31,8 @@ public async Task<List<string>> GetEndpoints(string serviceName, string consulUr
             //更新LastIndex
             UpdateLastIndex(serviceName, res);
             //PollForChanges
-            _ = Task.Run(() => PollForChanges(serviceName, consulUrl, consulTag));
+            if (!_pollForChanges.Contains(serviceName))
+                _ = Task.Run(() => PollForChanges(serviceName, consulUrl, consulTag));
             
             return res.Response.Select(q => $"{q.Service.Address}:{q.Service.Port}").ToList();
         }