fix(utils):修复代理池中的空指针异常

- 在遍历代理时跳过空代理对象
- 修正删除无效代理时的并发访问问题-优化代理过滤逻辑避免潜在崩溃

.drone.yml

@@ -26,16 +26,16 @@ steps:
       - docker push git.oceanpay.cc/danial/kami_gateway_${DRONE_BRANCH}:${DRONE_BUILD_NUMBER}
       - docker push git.oceanpay.cc/danial/kami_gateway_${DRONE_BRANCH}:latest
       - docker logout git.oceanpay.cc
-  - name: deploy to docker compose
-    environment:
-      DOCKER_LOGIN:
-        from_secret: docker_login
-      DOCKER_TOKEN:
-        from_secret: docker_token
-    commands:
-      - docker login git.oceanpay.cc -u $DOCKER_LOGIN -p $DOCKER_TOKEN
-      - BRANCH=${DRONE_BRANCH} VERSION=${DRONE_BUILD_NUMBER} docker compose -f /data/kami/docker-compose.yaml --profile gateway up -d
-      - docker logout git.oceanpay.cc
+#  - name: deploy to docker compose
+#    environment:
+#      DOCKER_LOGIN:
+#        from_secret: docker_login
+#      DOCKER_TOKEN:
+#        from_secret: docker_token
+#    commands:
+#      - docker login git.oceanpay.cc -u $DOCKER_LOGIN -p $DOCKER_TOKEN
+#      - BRANCH=${DRONE_BRANCH} VERSION=${DRONE_BUILD_NUMBER} docker compose -f /data/kami/docker-compose.yaml --profile gateway up -d
+#      - docker logout git.oceanpay.cc
 
 trigger:
   branch:

internal/utils/proxy_pool.go

@@ -201,6 +201,9 @@ func (p *OrderBasedProxyStrategy) getUnderLimitedProxy(ctx context.Context, perI
 	p.mu.RLock()
 	for _, proxies := range p.proxies {
 		for _, proxy := range proxies {
+			if proxy == nil {
+				continue
+			}
 			// 排除指定通道的代理
 			excluded := slices.Contains(excludeChannels, proxy.channel)
 			if !excluded {
@@ -221,8 +224,8 @@ func (p *OrderBasedProxyStrategy) getUnderLimitedProxy(ctx context.Context, perI
 			func() {
 				p.mu.Lock()
 				defer p.mu.Lock()
-				for _, infos := range p.proxies {
-					slices.DeleteFunc(infos, func(info *ProxyInfo) bool {
+				for index, infos := range p.proxies {
+					p.proxies[index] = slices.DeleteFunc(infos, func(info *ProxyInfo) bool {
 						return (info != nil && info.proxy == proxy) || info == nil
 					})
 				}