diff --git a/src/RISCv64AsmPrinter.cpp b/src/RISCv64AsmPrinter.cpp
index 0ad1c81..47e9773 100644
--- a/src/RISCv64AsmPrinter.cpp
+++ b/src/RISCv64AsmPrinter.cpp
@@ -87,10 +87,17 @@ void RISCv64AsmPrinter::printInstruction(MachineInstr* instr) {
     if (opcode == RVOpcodes::RET) {
         printEpilogue();
     }
-    if (opcode != RVOpcodes::LABEL) {
-        *OS << "    ";
+    
+    if (opcode == RVOpcodes::LABEL) {
+        // 标签直接打印，不加缩进
+        printOperand(instr->getOperands()[0].get());
+        *OS << ":\n";
+        return; // 处理完毕，直接返回
     }
     
+    // 对于所有非标签指令，先打印缩进
+    *OS << "    ";
+    
     switch (opcode) {
         case RVOpcodes::ADD:   *OS << "add ";   break; case RVOpcodes::ADDI:  *OS << "addi ";  break;
         case RVOpcodes::ADDW:  *OS << "addw ";  break; case RVOpcodes::ADDIW: *OS << "addiw "; break;
@@ -126,8 +133,8 @@ void RISCv64AsmPrinter::printInstruction(MachineInstr* instr) {
         case RVOpcodes::SNEZ:  *OS << "snez ";  break;
         case RVOpcodes::CALL:  *OS << "call ";  break;
         case RVOpcodes::LABEL:
-            printOperand(instr->getOperands()[0].get());
-            *OS << ":";
+            // printOperand(instr->getOperands()[0].get());
+            // *OS << ":";
             break;
         case RVOpcodes::FRAME_LOAD:
         case RVOpcodes::FRAME_STORE: