chore: refine directory structure

Makefile

@@ -5,11 +5,11 @@ TARGET_PROJ ?= node
 
 ifeq ($(TARGET_PROJ), node)
 BUILD_DIR := $(PROJECT)/build/node
-CONFIG_FILE := $(PROJECT)/node_config.json
+CONFIG_FILE := $(PROJECT)/config/node.json
 else ifeq ($(TARGET_PROJ), ge)
 XILINX_VITIS_CLASSIC := y
 BUILD_DIR := $(PROJECT)/build/ge
-CONFIG_FILE := $(PROJECT)/ge_config.json
+CONFIG_FILE := $(PROJECT)/config/ge.json
 else
 $(error Unsupported target PROJECT: $(TARGET_PROJ))
 endif

build.bat

@@ -32,6 +32,8 @@ echo Build directory: %work_dir%
 echo Configuration file: %config%
 pause
 
+REM Change working dir to the dir where this script is located
+cd /d "%~dp0"
 
 REM Set up enviroment
 call "%tools_dir%\setenv.bat" "%pltform_ver%"