diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..c4a3f964bba04248575a6549162f349ce88d3bf7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+build
+.baidu*
+.bcloud*
diff --git a/cmake/external/rocksdb.cmake b/cmake/external/rocksdb.cmake
index 9c4be93b13895ab2b08daf6a0b199d949fb7bdb7..ae1d590634078a71c3d2dd082c2b6475bf22cfe8 100644
--- a/cmake/external/rocksdb.cmake
+++ b/cmake/external/rocksdb.cmake
@@ -25,7 +25,7 @@ ExternalProject_Add(
     ${EXTERNAL_PROJECT_LOG_ARGS}
     PREFIX ${ROCKSDB_SOURCES_DIR}
     GIT_REPOSITORY "https://github.com/facebook/rocksdb"
-    GIT_TAG 6.1.fb
+    GIT_TAG 6.2.fb
     UPDATE_COMMAND ""
     CONFIGURE_COMMAND ""
     BUILD_COMMAND CXXFLAGS=-fPIC make -j ${NUM_OF_PROCESSOR} static_lib