diff --git a/src/brpc/rdma/rdma_helper.cpp b/src/brpc/rdma/rdma_helper.cpp
index 9bad33750c..a639728680 100644
--- a/src/brpc/rdma/rdma_helper.cpp
+++ b/src/brpc/rdma/rdma_helper.cpp
@@ -501,7 +501,6 @@ static void GlobalRdmaInitializeOrDieImpl() {
     } else {
         LOG(INFO) << "RDMA GID Index: " << (int)g_gid_index;
     }
-    IbvCreateCompChannel(g_context);
 
     // Create protection domain
     g_pd = IbvAllocPd(g_context);
diff --git a/src/brpc/socket.cpp b/src/brpc/socket.cpp
index 78bd4e23d2..005873e9b0 100644
--- a/src/brpc/socket.cpp
+++ b/src/brpc/socket.cpp
@@ -2512,8 +2512,12 @@ void Socket::DebugSocket(std::ostream& os, SocketId id) {
            << "\n}";
     }
 #endif
+
+    os << "\nrdma={\n";
     ptr->_transport->Debug(os);
-    { os << "\nbthread_tag=" << ptr->_io_event.bthread_tag(); }
+    os << "}\n";
+
+    os << "\nbthread_tag=" << ptr->_io_event.bthread_tag();
 }
 
 int Socket::CheckHealth() {
diff --git a/test/bvar_recorder_unittest.cpp b/test/bvar_recorder_unittest.cpp
index 7493c34541..a385b9b7bd 100644
--- a/test/bvar_recorder_unittest.cpp
+++ b/test/bvar_recorder_unittest.cpp
@@ -244,15 +244,15 @@ TEST(RecorderTest, latency_recorder_qps_accuracy) {
         double err = fabs(qps_sum / 1000.0 - exp_qps);
         return err;
     };
-    ASSERT_GT(0.2, read(lr1, 10/2.0));
-    ASSERT_GT(0.2, read(lr2, 11/2.0));
-    ASSERT_GT(0.2, read(lr3, 3/2.0));
-    ASSERT_GT(0.2, read(lr4, 1/2.0));
+    ASSERT_GT(0.1, read(lr1, 10/2.0));
+    ASSERT_GT(0.1, read(lr2, 11/2.0));
+    ASSERT_GT(0.1, read(lr3, 3/2.0));
+    ASSERT_GT(0.1, read(lr4, 1/2.0));
 
-    ASSERT_GT(0.2, read(lr1, 10/3.0, 3));
-    ASSERT_GT(0.2, read(lr2, 11/3.0, 3));
-    ASSERT_GT(0.2, read(lr3, 3/3.0, 3));
-    ASSERT_GT(0.2, read(lr4, 1/3.0, 3));
+    ASSERT_GT(0.1, read(lr1, 10/3.0, 3));
+    ASSERT_GT(0.1, read(lr2, 11/3.0, 3));
+    ASSERT_GT(0.1, read(lr3, 3/3.0, 3));
+    ASSERT_GT(0.1, read(lr4, 1/3.0, 3));
 }
 
 } // namespace