diff --git a/src/IR.cpp b/src/IR.cpp
index c86e529..1483bf3 100644
--- a/src/IR.cpp
+++ b/src/IR.cpp
@@ -598,11 +598,11 @@ auto SymbolTable::addVariable(const std::string &name, User *variable) -> User *
     std::stringstream ss;
     auto iter = variableIndex.find(name);
     if (iter != variableIndex.end()) {
-      ss << name << "(" << iter->second << ")";
+      ss << name  << iter->second ;
       iter->second += 1;
     } else {
       variableIndex.emplace(name, 1);
-      ss << name << "(" << 0 << ")";
+      ss << name << 0 ;
     }
 
     variable->setName(ss.str());
diff --git a/src/SysYIRPrinter.cpp b/src/SysYIRPrinter.cpp
index 4812106..04be4da 100644
--- a/src/SysYIRPrinter.cpp
+++ b/src/SysYIRPrinter.cpp
@@ -128,12 +128,15 @@ void SysYPrinter::printFunction(Function *function) {
   std::cout << " @" << function->getName() << "(";
   
   auto entryBlock = function->getEntryBlock();
+  const auto &args_types = function->getParamTypes();
   auto &args = entryBlock->getArguments();
   
-  for (size_t i = 0; i < args.size(); i++) {
+  int i = 0;
+  for (const auto &args_type : args_types) {
     if (i > 0) std::cout << ", ";
-    printType(args[i]->getType());
+    printType(args_type);
     std::cout << " %" << args[i]->getName();
+    i++;
   }
   
   std::cout << ") {" << std::endl;