fix a bug

Author: META-Xiao

.github/workflows/code-execution.yml

@@ -64,42 +64,13 @@ jobs:
           fi
           
           # 使用 base64 解码确保源代码中的空格和特殊字符被正确保留
-          # 首先将源代码写入临时文件，然后检查并确保文件格式正确
-          echo "${{ github.event.inputs.source_code }}" > source_code_temp.txt || true
-          
-          echo "=== Source Code (Before Processing) ===" || true
-          cat source_code_temp.txt || true
-          echo "=====================================" || true
-          
-          # 修复可能的空格问题，将连续的 << 后面的空格保留
-          sed -i 's/<<  *;/<< " ";/g' source_code_temp.txt || true
-          sed -i 's/<<  *)/<< " ")/g' source_code_temp.txt || true
-          sed -i 's/<<  *,/<< " ",/g' source_code_temp.txt || true
-          sed -i 's/<<  *$/<< " "/g' source_code_temp.txt || true
-          sed -i 's/<<  *\]/<< " "]/g' source_code_temp.txt || true
-          sed -i 's/<<  *}/<< " "}/g' source_code_temp.txt || true
-          sed -i 's/<<  *>/<< " ">/g' source_code_temp.txt || true
-          
-          # 处理 >> 运算符周围的空格
-          sed -i 's/>>  *;/>> " ";/g' source_code_temp.txt || true
-          sed -i 's/>>  *)/>> " ")/g' source_code_temp.txt || true
-          sed -i 's/>>  *,/>> " ",/g' source_code_temp.txt || true
-          sed -i 's/>>  *$/>> " "/g' source_code_temp.txt || true
-          sed -i 's/>>  *\]/>> " "]/g' source_code_temp.txt || true
-          sed -i 's/>>  *}/>> " "}/g' source_code_temp.txt || true
-          sed -i 's/>>  *>/>> " ">/g' source_code_temp.txt || true
-          
-          # 修复Python语法错误：__main__ 需要引号
-          sed -i 's/__main__:/"__main__":/g' source_code_temp.txt || true
-          
-          echo "=== Source Code (After Processing) ===" || true
-          cat source_code_temp.txt || true
-          echo "====================================" || true
-          cat source_code_temp.txt > $SOURCE_FILE || true
+          echo "=== Decoding Base64 Source Code ===" || true
+          echo "${{ github.event.inputs.source_code }}" | base64 -d > $SOURCE_FILE || true
+          echo "===================================" || true
           
           # 确保源代码文件是 UTF-8 编码
           echo "=== Converting to UTF-8 ===" || true
-          iconv -f ISO-8859-1 -t UTF-8 $SOURCE_FILE -o $SOURCE_FILE.utf8 || true
+          iconv -f UTF-8 -t UTF-8 $SOURCE_FILE -o $SOURCE_FILE.utf8 2>/dev/null || cp $SOURCE_FILE $SOURCE_FILE.utf8
           mv $SOURCE_FILE.utf8 $SOURCE_FILE || true
           echo "=========================" || true