diff --git a/regression-test/framework/src/main/groovy/org/apache/doris/regression/action/StreamLoadAction.groovy b/regression-test/framework/src/main/groovy/org/apache/doris/regression/action/StreamLoadAction.groovy
index f8748433c214eb..c3a530b579c249 100644
--- a/regression-test/framework/src/main/groovy/org/apache/doris/regression/action/StreamLoadAction.groovy
+++ b/regression-test/framework/src/main/groovy/org/apache/doris/regression/action/StreamLoadAction.groovy
@@ -216,10 +216,7 @@ class StreamLoadAction implements SuiteAction {
             throw new IllegalStateException("Get http stream failed, status code is ${code}, body:\n${streamBody}")
         }
 
-        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
-        resp.getEntity().writeTo(buffer); // 完整读取数据
-        log.info("entity new size is ${buffer.size()}")
-        return new ByteArrayInputStream(buffer.toByteArray());
+        return resp.getEntity().getContent()
     }
 
     private RequestBuilder prepareRequestHeader(RequestBuilder requestBuilder) {