diff --git a/backend/src/main/java/io/metersphere/api/dto/definition/request/sampler/MsTCPSampler.java b/backend/src/main/java/io/metersphere/api/dto/definition/request/sampler/MsTCPSampler.java
index 4e9bac2ec0..4dde2cd85c 100644
--- a/backend/src/main/java/io/metersphere/api/dto/definition/request/sampler/MsTCPSampler.java
+++ b/backend/src/main/java/io/metersphere/api/dto/definition/request/sampler/MsTCPSampler.java
@@ -184,6 +184,14 @@ public class MsTCPSampler extends MsTestElement {
         if (!isCustomizeReq() && config != null && config.getTcpConfig() != null) {
             this.server = config.getTcpConfig().getServer();
             this.port = config.getTcpConfig().getPort();
+            if(StringUtils.equals(this.eolByte," ")){
+                this.eolByte = "";
+            }else{
+                if(StringUtils.isEmpty(this.eolByte)){
+                    this.eolByte = config.getTcpConfig().getEolByte();
+                }
+            }
+
         }
     }