diff --git a/Makefile b/Makefile
index e87f2c3..7c02f9d 100755
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@
 #								| sanchuanhehe <wyihe5520@gmail.com>
 #								|
 # Created On    : <2023-08-28>
-# Last Modified : <2025-07-13>
+# Last Modified : <2025-07-14>
 #
 # 请阅读 ./doc/01-Develop.md 来使用
 # --------------------------------------------------------------
@@ -164,10 +164,13 @@ test-make-env:
 	 echo "HOME: $(HOME)"; \
 	fi
 
+# 这两个测试文件都用 DEBUG mode
+test-xy: CFLAGS += $(CFLAGS_debug)
 test-xy:
 	@$(CC) test/xy.c $(CFLAGS) -o xy
 	@./xy
 
+test-fw: CFLAGS += $(CFLAGS_debug)
 test-fw:
 	@$(CC) test/fw.c $(CFLAGS) -o fw
 	@./fw
diff --git a/justfile b/justfile
index a3d6425..a28de6c 100644
--- a/justfile
+++ b/justfile
@@ -7,7 +7,7 @@
 # Contributors  :  Nul None  <nul@none.org>
 #								|
 # Created On    : <2025-06-18>
-# Last Modified : <2025-07-13>
+# Last Modified : <2025-07-14>
 #
 # 该文件主要用于在原生Windows上执行项目的基本任务，而不借助于
 # GNU make 以及相应的 MSYS2、Cygwin 环境
@@ -123,12 +123,13 @@ debug: build-in-debug-mode
 
 test: test-xy test-fw
 
+# 这两个测试文件都用 DEBUG mode
 test-xy:
-	@{{CC}} test/xy.c {{CFLAGS_dev_mode}} -o xy
+	@{{CC}} test/xy.c {{CFLAGS_debug_mode}} -o xy
 	@{{BIN_xy}}
 
 test-fw:
-	@{{CC}} test/fw.c {{CFLAGS_dev_mode}} -o fw
+	@{{CC}} test/fw.c {{CFLAGS_debug_mode}} -o fw
 	@{{BIN_fw}}
 
 fastcheck: