diff --git a/src/logservice/libobcdc/src/ob_log_ls_fetch_stream.cpp b/src/logservice/libobcdc/src/ob_log_ls_fetch_stream.cpp
index 2d5d2c4e0..995f55d1f 100644
--- a/src/logservice/libobcdc/src/ob_log_ls_fetch_stream.cpp
+++ b/src/logservice/libobcdc/src/ob_log_ls_fetch_stream.cpp
@@ -950,14 +950,14 @@ int FetchStream::handle_fetch_log_error_(
   if (OB_SUCCESS != rcode.rcode_) {
     need_kick_out = true;
     kick_out_reason = FETCH_LOG_FAIL_ON_RPC;
-    LOG_ERROR("fetch log fail on rpc", K(svr_), K(rcode), "fetch_stream", this);
+    LOG_ERROR("fetch log fail on rpc, need_switch_server", K(svr_), K(rcode), "fetch_stream", this);
   }
   // server return error
   else if (OB_SUCCESS != resp.get_err()) {
     // Other errors, switch server directly
     need_kick_out = true;
     kick_out_reason = FETCH_LOG_FAIL_ON_SERVER;
-    LOG_ERROR("fetch log fail on server", "fetch_stream", this, K(svr_),
+    LOG_ERROR("fetch log fail on server, need_switch_server", "fetch_stream", this, K(svr_),
         "svr_err", resp.get_err(), "svr_debug_err", resp.get_debug_err(),
         K(rcode), K(resp));
   } else {
diff --git a/src/logservice/libobcdc/src/ob_log_task_pool.h b/src/logservice/libobcdc/src/ob_log_task_pool.h
index da627ee69..2f94c1b72 100644
--- a/src/logservice/libobcdc/src/ob_log_task_pool.h
+++ b/src/logservice/libobcdc/src/ob_log_task_pool.h
@@ -103,6 +103,7 @@ public:
       const int64_t prealloc_page_count)
   {
     int ret = common::OB_SUCCESS;
+    const int64_t start_ts = get_timestamp();
     if (OB_UNLIKELY(inited_)) {
       ret = common::OB_INIT_TWICE;
       OBLOG_LOG(WARN, "already init", KR(ret));
@@ -128,8 +129,10 @@ public:
     } else {
       task_large_allocator_.set_label(common::ObModIds::OB_LOG_PART_TRANS_TASK_LARGE);
       allow_dynamic_alloc_ = allow_dynamic_alloc;
+      const int64_t cost_ts_usec = get_timestamp() - start_ts;
       inited_ = true;
-      OBLOG_LOG(INFO, "task_pool init success");
+      OBLOG_LOG(INFO, "task_pool init success", K(prealloc_page_count), K(prealloc_pool_size),
+          K(trans_task_page_size), K(cost_ts_usec));
     }
     return ret;
   }
diff --git a/unittest/libobcdc/test_log_task_pool.cpp b/unittest/libobcdc/test_log_task_pool.cpp
index 923c4b7da..9381bbd33 100644
--- a/unittest/libobcdc/test_log_task_pool.cpp
+++ b/unittest/libobcdc/test_log_task_pool.cpp
@@ -59,6 +59,22 @@ private:
   int64_t bar_;
 };
 
+TEST(ObLogTransTaskPool, Init)
+{
+  const int64_t part_trans_task_prealloc_count = 300000;
+  const int64_t page_size = 8 * 1024;
+  const int64_t prealloc_page_count = 20000;
+
+  ObConcurrentFIFOAllocator fifo;
+  int64_t G = 1024 * 1024 * 1024;
+  fifo.init(1 * G, 1 * G, OB_MALLOC_BIG_BLOCK_SIZE);
+
+  ObLogTransTaskPool<MockTransTask> pool;
+
+  int ret = pool.init(&fifo, part_trans_task_prealloc_count, page_size, true, prealloc_page_count);
+  EXPECT_EQ(OB_SUCCESS, ret);
+}
+
 TEST(ObLogTransTaskPool, Function1)
 {
   const int64_t task_cnt = 1024 * 32;