From d41a595195902832d393bb14a660ec1b7713ed18 Mon Sep 17 00:00:00 2001
From: ZacharyZcR <zacharyzcr1984@gmail.com>
Date: Tue, 28 Apr 2026 12:24:21 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E5=87=AD=E6=8D=AE?=
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---
 plugins/services/credential_tester.go | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/plugins/services/credential_tester.go b/plugins/services/credential_tester.go
index aa302b6..e7e3394 100644
--- a/plugins/services/credential_tester.go
+++ b/plugins/services/credential_tester.go
@@ -77,12 +77,18 @@ func TestSingleCredential(ctx context.Context, cred Credential, authFn AuthFunc)
 	case result := <-resultChan:
 		return result
 	case <-ctx.Done():
-		// context 被取消，但 goroutine 可能还在运行
-		// 启动清理协程：等待结果并关闭连接
+		// context 被取消，但 authFn goroutine 可能还阻塞在第三方库 IO 上
+		// 限时等待：超过 5 秒直接放弃，避免 goroutine 无限泄漏
 		go func() {
-			result := <-resultChan
-			if result != nil && result.Conn != nil {
-				_ = result.Conn.Close()
+			timer := time.NewTimer(5 * time.Second)
+			defer timer.Stop()
+			select {
+			case result := <-resultChan:
+				if result != nil && result.Conn != nil {
+					_ = result.Conn.Close()
+				}
+			case <-timer.C:
+				// 第三方库不响应取消，放弃等待
 			}
 		}()
 		return &AuthResult{