实验2脚本优化

scripts/test_lab2_full.sh

@@ -94,10 +94,10 @@ run_test() {
   if [[ -f "$expected_file" ]]; then
     # 忽略空格差异 (-b -w)
     if diff -q -b -w "$expected_file" "$actual_file" > /dev/null 2>&1; then
-      echo -e "${GREEN}✓ 通过${NC}"
+      echo -e "${GREEN} 通过${NC}"
       ((passed++)) || true
     else
-      echo -e "${RED}✗ 输出不匹配${NC}"
+      echo -e "${RED} 输出不匹配${NC}"
       ((failed++)) || true
     fi
   else
@@ -134,9 +134,9 @@ echo -e "失败：${RED}$failed${NC}"
 echo ""
 
 if [[ $failed -eq 0 ]]; then
-  echo -e "${GREEN}🎉 所有测试通过！实验 2 任务完成。${NC}"
+  echo -e "${GREEN} 所有测试通过！实验 2 任务完成。${NC}"
   exit 0
 else
-  echo -e "${RED}✗ 有 $failed 个测试失败，请检查逻辑。${NC}"
+  echo -e "${RED} 有 $failed 个测试失败，请检查逻辑。${NC}"
   exit 1
 fi