diff --git a/src/RISCv32Backend.cpp b/src/RISCv32Backend.cpp
index c7760e1..20677e1 100644
--- a/src/RISCv32Backend.cpp
+++ b/src/RISCv32Backend.cpp
@@ -161,8 +161,9 @@ std::string RISCv32CodeGen::basicBlock_gen(BasicBlock* bb, const RegAllocResult&
             bb_name = "entry";
         }
     }
-    ss << bb_name << ":\n"; // 基本块标签
-
+    else {
+        ss << bb_name << ":\n"; // 基本块标签
+    }
     // !!! 重要的修改：此处不再清除 value_vreg_map 和 vreg_counter。
     // !!! 这些映射在 function_gen -> register_allocation 阶段为整个函数建立。
     // value_vreg_map.clear(); // 移除此行
@@ -733,7 +734,7 @@ void RISCv32CodeGen::select_instructions(DAGNode* node, const RegAllocResult& al
                     if (node->operands.empty() || !node->operands[0]) break;
                     std::string cond_reg = get_preg_or_temp(node->operands[0]->result_vreg);
                     std::string then_block = br->getThenBlock()->getName();
-                    std::string else_block = br->getName();
+                    std::string else_block = br->getElseBlock()->getName();
 
                     // 修复空标签问题
                     if (then_block.empty()) {
diff --git a/test_script/clean.sh b/test_script/clean.sh
index 40cd3de..d203552 100644
--- a/test_script/clean.sh
+++ b/test_script/clean.sh
@@ -1,3 +1,3 @@
 rm -rf tmp/*
-rm -rf *.s
+rm -rf *.s *.ll *clang *sysyc
 rm -rf *_riscv32
\ No newline at end of file
diff --git a/test_script/sysyll.sh b/test_script/sysyll.sh
index 4b27256..f3b6334 100644
--- a/test_script/sysyll.sh
+++ b/test_script/sysyll.sh
@@ -33,7 +33,7 @@ for sy_file in "$input_dir"*.sy; do
     output_file="${base_name}_sysyc.ll"
 
     # 使用 sysyc 编译 .sy 文件为 .ll 文件
-    ../build/bin/sysyc -s llvmir "$sy_file" > "$output_file"
+    ../build/bin/sysyc -s ir "$sy_file" > "$output_file"
 
     # 检查是否成功
     if [ $? -eq 0 ]; then