diff --git a/backend/src/main/java/io/metersphere/performance/service/PerformanceTestService.java b/backend/src/main/java/io/metersphere/performance/service/PerformanceTestService.java
index c8ef5c6b15..2cd2cbfc3b 100644
--- a/backend/src/main/java/io/metersphere/performance/service/PerformanceTestService.java
+++ b/backend/src/main/java/io/metersphere/performance/service/PerformanceTestService.java
@@ -44,7 +44,6 @@ import org.springframework.web.multipart.MultipartFile;
 import javax.annotation.Resource;
 import java.io.File;
 import java.io.IOException;
-import java.io.OutputStream;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.nio.charset.StandardCharsets;
@@ -315,15 +314,11 @@ public class PerformanceTestService {
                 //1,建立tcp
                 String ip = ipAndPort[0];
                 int port = Integer.parseInt(ipAndPort[1]);
-                Socket soc = new Socket();
-                soc.connect(new InetSocketAddress(ip, port), 1000); // 1s timeout
-                //2.输入内容
-                String content = "1010";
-                byte[] bs = content.getBytes();
-                OutputStream os = soc.getOutputStream();
-                os.write(bs);
-                //3.关闭
-                soc.close();
+                try (
+                        Socket soc = new Socket();
+                ) {
+                    soc.connect(new InetSocketAddress(ip, port), 1000); // 1s timeout
+                }
             }
         } catch (Exception e) {
             LogUtil.error(e.getMessage(), e);
diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index c4caf9b812..eb18d32967 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -15,7 +15,6 @@ spring.datasource.hikari.connection-test-query=SELECT 1
 #kafka
 spring.kafka.bootstrap-servers=${kafka.bootstrap-servers}
 spring.kafka.consumer.group-id=metersphere_group_id
-spring.kafka.producer.properties.security.protocol=PLAINTEXT
 # mybatis
 mybatis.configuration.cache-enabled=true
 mybatis.configuration.lazy-loading-enabled=false