diff --git a/cpp/src/db/DBImpl.cpp b/cpp/src/db/DBImpl.cpp
index 62d6b9c3ccf712a427889787925af4dbd6501692..1179a756eb2d5fbf19b1c4da8c89ced2f8c47965 100644
--- a/cpp/src/db/DBImpl.cpp
+++ b/cpp/src/db/DBImpl.cpp
@@ -195,6 +195,10 @@ Status DBImpl::Query(const std::string& table_id, const std::vector<std::string>
         return status;
     }
 
+    for (auto& file_schema : files_array) {
+        ENGINE_LOG_DEBUG << "file_id: " << file_schema.file_id_;
+    }
+
     if(files_array.empty()) {
         return Status::Error("Invalid file id");
     }
diff --git a/cpp/src/server/RequestTask.cpp b/cpp/src/server/RequestTask.cpp
index c8bca99b18c1dca0353876a8fe94c8a17f141de3..4c207546b891c1e5e6011c43d903809788e84b40 100644
--- a/cpp/src/server/RequestTask.cpp
+++ b/cpp/src/server/RequestTask.cpp
@@ -502,11 +502,6 @@ ServerError SearchVectorTask::OnExecute() {
         engine::QueryResults results;
         uint64_t record_count = (uint64_t)record_array_.size();
 
-        SERVER_LOG_DEBUG << "file_id_array_: ";
-        for (auto& file_id : file_id_array_) {
-            SERVER_LOG_DEBUG << file_id;
-        }
-
         if(file_id_array_.empty()) {
             stat = DBWrapper::DB()->Query(table_name_, (size_t) top_k_, record_count, vec_f.data(), dates, results);
         } else {