format
diff --git a/rocketmq-rocksdb/README.md b/rocketmq-rocksdb/README.md
index a2fa941..4dd9094 100644
--- a/rocketmq-rocksdb/README.md
+++ b/rocketmq-rocksdb/README.md
@@ -13,32 +13,36 @@
* .dll for Windows x64
To build the binaries for a rocketmq-rocksdb release, follow the steps below.
-1.git clone https://github.com/facebook/rocksdb.git
+
+## Git Clone RocksDB
+git clone https://github.com/facebook/rocksdb.git
## File copy
-2.copy RemoveConsumeQueueCompactionFilter.java to rocksdb/java/src/main/java/org/rocksdb/
-3.copy remove_consumequeue_compactionfilterjni.cc to rocksdb/java/rocksjni/
-4.copy remove_consumequeue_compactionfilter.h to rocksdb/utilities/compaction_filters/
-5.copy remove_consumequeue_compactionfilter.cc to rocksdb/utilities/compaction_filters/
+* copy RemoveConsumeQueueCompactionFilter.java to rocksdb/java/src/main/java/org/rocksdb/
+* copy remove_consumequeue_compactionfilterjni.cc to rocksdb/java/rocksjni/
+* copy remove_consumequeue_compactionfilter.h to rocksdb/utilities/compaction_filters/
+* copy remove_consumequeue_compactionfilter.cc to rocksdb/utilities/compaction_filters/
## File replace
-6.replace rocksdb/thirdparty.inc with thirdparty.inc with
+* replace rocksdb/thirdparty.inc with thirdparty.inc with
## File edit
-7.add the string "rocksjni/remove_consumequeue_compactionfilterjni.cc" to the file rocksdb/java/CMakeLists.txt
-8.add the string "src/main/java/org/rocksdb/RemoveConsumeQueueCompactionFilter.java" to the file rocksdb/java/CMakeLists.txt
-9.add the string "org.rocksdb.RemoveConsumeQueueCompactionFilter" to the file rocksdb/java/CMakeLists.txt
-10.add the string "org.rocksdb.RemoveConsumeQueueCompactionFilter\" to the file rocksdb/java/Makefile
-11.add the string "utilities/compaction_filters/remove_consumequeue_compactionfilter.cc \" to the file rocksdb/src.mk
-12.add the string "java/rocksjni/remove_consumequeue_compactionfilterjni.cc \" to the file rocksdb/src.mk
-13.add the string '"utilities/compaction_filters/remove_consumequeue_compactionfilter.cc",' to the file rocksdb/TARGETS
+* add the string "rocksjni/remove_consumequeue_compactionfilterjni.cc" to the file rocksdb/java/CMakeLists.txt
+* add the string "src/main/java/org/rocksdb/RemoveConsumeQueueCompactionFilter.java" to the file rocksdb/java/CMakeLists.txt
+* add the string "org.rocksdb.RemoveConsumeQueueCompactionFilter" to the file rocksdb/java/CMakeLists.txt
+* add the string "org.rocksdb.RemoveConsumeQueueCompactionFilter\" to the file rocksdb/java/Makefile
+* add the string "utilities/compaction_filters/remove_consumequeue_compactionfilter.cc \" to the file rocksdb/src.mk
+* add the string "java/rocksjni/remove_consumequeue_compactionfilterjni.cc \" to the file rocksdb/src.mk
+* add the string '"utilities/compaction_filters/remove_consumequeue_compactionfilter.cc",' to the file rocksdb/TARGETS
-## File edit [optional] Some unexpected error may occur in compiling, you may change the warning level of compiling
-14.change 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /WX")' in file rocksdb/CMakeLists.txt to 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")'
-15.change 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")' in file rocksdb/CMakeLists.txt to 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")'
+## File edit [optional]
+Some unexpected error may occur in compiling, you may change the warning level of compiling
+* change 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /WX")' in file rocksdb/CMakeLists.txt to 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")'
+* change 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")' in file rocksdb/CMakeLists.txt to 'set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")'
-## File edit [important] it is important to change the DEBUG_LEVEL to 0 for releasing a official version
-16.change 'DEBUG_LEVEL?=1' to 'DEBUG_LEVEL?=0' in file rocksdb/Makefile
+## File edit [important]
+it is important to change the DEBUG_LEVEL to 0 for releasing a official version
+* change 'DEBUG_LEVEL?=1' to 'DEBUG_LEVEL?=0' in file rocksdb/Makefile
## Build for linux and mac
