diff --git a/common.sh b/common.sh
new file mode 100644
index 0000000..05f9177
--- /dev/null
+++ b/common.sh
@@ -0,0 +1,6 @@
+GAME_ID=9003
+PROJECT_NAME=friend_masterserver
+SRC_EXE_NAME=friend_masterserver
+SOURCE_PATH=third_party/relation/server/masterserver/
+COMPILE_FLAGS="-DGAME_ID=${GAME_ID} -DRELEASE=1 -DLIB_DIR=ubuntu20.04_g++-9 ."
+PRE_COMPILE_CMD=""