diff --git a/be/test/http/http_auth_test.cpp b/be/test/http/http_auth_test.cpp
index 6077f871b7076e..f39e61aa6e2cf7 100644
--- a/be/test/http/http_auth_test.cpp
+++ b/be/test/http/http_auth_test.cpp
@@ -73,8 +73,7 @@ TEST_F(HttpAuthTest, enable_all_http_auth) {
     {
         auto evhttp_req = evhttp_request_new(nullptr, nullptr);
         HttpRequest req2(evhttp_req);
-        auto auth = encode_basic_auth("doris", "passwd");
-        req2._headers.emplace(HttpHeaders::AUTHORIZATION, auth);
+        req2._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
         EXPECT_EQ(s_auth_handler.on_header(&req2), -1);
     }
 
@@ -82,8 +81,7 @@ TEST_F(HttpAuthTest, enable_all_http_auth) {
     {
         auto evhttp_req = evhttp_request_new(nullptr, nullptr);
         HttpRequest req3(evhttp_req);
-        auto auth = encode_basic_auth("doris", "passwd");
-        req3._headers.emplace(HttpHeaders::AUTHORIZATION, auth);
+        req3._headers.emplace(HttpHeaders::AUTHORIZATION, "Basic cm9vdDo=");
         req3._params.emplace("table", "T");
         EXPECT_EQ(s_auth_handler.on_header(&req3), 0);
         evhttp_request_free(evhttp_req);