diff --git a/core/src/db/DBImpl.cpp b/core/src/db/DBImpl.cpp
index 0687ca43d4..0b3309d84e 100644
--- a/core/src/db/DBImpl.cpp
+++ b/core/src/db/DBImpl.cpp
@@ -1026,8 +1026,12 @@ DBImpl::BuildTableIndexRecursively(const std::string& table_id, const TableIndex
     GetFailedIndexFileOfTable(table_id, failed_files);
     if (!failed_files.empty()) {
         std::string msg = "Failed to build index for " + std::to_string(failed_files.size()) +
-                          ((failed_files.size() == 1) ? " file" : " files") +
-                          ", file size is too large or gpu memory is not enough";
+                          ((failed_files.size() == 1) ? " file" : " files");
+#ifdef MILVUS_CPU_VERSION
+        msg += ", please double check index parameters.";
+#else
+        msg += ", file size is too large or gpu memory is not enough.";
+#endif
         return Status(DB_ERROR, msg);
     }