build(Makefile): fix build on linux

Author: Mikachu2333

Makefile

@@ -12,6 +12,7 @@
 # Last Modified : <2025-10-10>
 #
 # 请阅读 ./doc/01-开发与构建.md 来使用
+#
 # ！！！警告！！！
 # Windows 用户请使用 just 进行以将 res 文件编译到 exe 内
 # --------------------------------------------------------------
@@ -146,7 +147,6 @@ build-in-release-mode: CFLAGS += $(CFLAGS_optimization)
 build-in-release-mode:
 	@echo Starting: Build in RELEASE mode: \'$(CC)\' $(CFLAGS) -o $(ReleaseMode-Target-Name)
 	@$(CC) src/chsrc-main.c $(CFLAGS) $(_C_Warning_Flags) -o $(ReleaseMode-Target-Name)
-endif
 	@echo Finished: Build in RELEASE mode
 
 # CI release mode 的配置在该文件上方