diff --git a/Makefile b/Makefile
index e9cb767..6e8c387 100644
--- a/Makefile
+++ b/Makefile
@@ -21,8 +21,7 @@ SRC_INC_DIR = $(SRC_DIR)/inc
 # Source files
 SRCS    := $(wildcard $(SRC_DIR)/*.c) $(wildcard $(BSP_DIR)/*.c)
 ASRCS   := $(wildcard $(SRC_DIR)/*.s) $(wildcard $(BSP_DIR)/*.s)
-OPT_SRCS := $(SCRIPTS_DIR)/bootloader.opt
-#OPT_SRCS := $(SCRIPTS_DIR)/factory.opt
+OPT_SRCS := $(wildcard $(SCRIPTS_DIR)/*.opt)
 
 # Compiler tools
 CC       = $(TOOLCHAIN)/sdcc
@@ -38,6 +37,7 @@ CFLAGS  += --stack-auto --noinduction --use-non-free
 ## Disable lospre (workaround for bug 2673)
 #CFLAGS  += --nolospre
 LDFLAGS  = -m$(ARCH) -l$(ARCH) --out-fmt-ihx
+OPTFLAGS = -Wl-bOPTION=0x4800 -Wl-bOPTION_BOOT=0x481C
 
 # Object files
 OBJS     = $(patsubst %.c,$(BUILD_DIR)/%.rel,$(notdir $(SRCS))) \
@@ -79,7 +79,7 @@ $(BUILD_DIR)/$(TARGET).bin: $(BUILD_DIR)/$(TARGET).hex
 
 # Link option bytes separately at address 0x4800
 $(BUILD_DIR)/option.hex: $(OPT_OBJS)
-	$(CC) $(LDFLAGS) -Wl-bOPTION=0x4800 $(OPT_OBJS) -o $@ || true
+	$(CC) $(LDFLAGS) $(OPTFLAGS) $(OPT_OBJS) -o $@ || true
 
 $(BUILD_DIR)/option.bin: $(BUILD_DIR)/option.hex
 	$(OBJCOPY) -I ihex --output-target=binary $< $@
diff --git a/scripts/bootloader.opt b/scripts/bootloader.opt
index e68a4f6..82cf1b2 100644
--- a/scripts/bootloader.opt
+++ b/scripts/bootloader.opt
@@ -12,21 +12,7 @@ UART1_BRR1  = 0x5232   ; 波特率寄存器1
 UART1_CR2   = 0x5235   ; 控制寄存器2
 
 ;; 引导程序主体（位于OPT保留区域0x481C-0x483F）
-    .area   OPTION
-
-_bootO_start_opt:
-    .db 0x00            ; ROP
-    .db 0x00,0xFF       ; UCB
-    .db 0x00,0xFF       ; AFR
-    .db 0x00,0xFF       ; Misc
-    .db 0x00,0xFF       ; Clock
-    .db 0x00,0xFF       ; HSECNT
-
-_bootO_resv_data:
-    .db 0x00,0x00,0x00,0x00,0x00 
-    .db 0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00
+    .area   OPTION_BOOT
 
 _bootO_start_data:
     ;; 终止标志（复制过程遇到0停止）
diff --git a/scripts/config.opt b/scripts/config.opt
new file mode 100644
index 0000000..ed5e3c6
--- /dev/null
+++ b/scripts/config.opt
@@ -0,0 +1,10 @@
+;; option bytes(0x4800~0x480A)
+    .area   OPTION
+
+_bootO_start_opt:
+    .db 0x00            ; ROP
+    .db 0x00,0xFF       ; UCB
+    .db 0x00,0xFF       ; AFR
+    .db 0x00,0xFF       ; Misc
+    .db 0x00,0xFF       ; Clock
+    .db 0x00,0xFF       ; HSECNT
diff --git a/scripts/factory.opt b/scripts/factory.opt
deleted file mode 100644
index 636a3c4..0000000
--- a/scripts/factory.opt
+++ /dev/null
@@ -1,22 +0,0 @@
-;;    option   O0 O1 N1 O2 N2 O3 N3 O4     N4 O5 N5
-;;      4800   00 00 FF 00 FF 00 FF 00     FF 00 FF
-
-;; 引导程序主体（位于OPT保留区域0x481C-0x483F）
-    .area   OPTION
-
-_bootO_start_opt:
-    .db 0x00            ; ROP
-    .db 0x00,0xFF       ; UCB
-    .db 0x00,0xFF       ; AFR
-    .db 0x00,0xFF       ; Misc
-    .db 0x00,0xFF       ; Clock
-    .db 0x00,0xFF       ; HSECNT
-
-_bootO_resv_data:
-    .db 0x00,0x00,0x00,0x00,0x00 
-    .db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
-    .db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00