diff --git a/src/main/java/org/jcnc/snow/compiler/ir/BasicIRBuilder.java b/src/main/java/org/jcnc/snow/compiler/ir/BasicIRBuilder.java
index bfb7153..5bec211 100644
--- a/src/main/java/org/jcnc/snow/compiler/ir/BasicIRBuilder.java
+++ b/src/main/java/org/jcnc/snow/compiler/ir/BasicIRBuilder.java
@@ -69,11 +69,10 @@ public final class BasicIRBuilder {
                     moduleNode.functions().forEach(functionNode -> dispatchTop(functionNode, irProgram)); // 递归处理模块内的函数
             case FunctionNode functionNode ->
                     irProgram.add(buildFunction(functionNode)); // 将函数编译成 IRFunction 并加入 IRProgram
-            case StatementNode statementNode -> { // 单条语句（如脚本式 main）
-                FunctionNode functionNode = new FunctionNode("main", List.of(), "void", List.of(statementNode));
-                irProgram.add(buildFunction(functionNode));
+            case StatementNode _ -> {
+                //TODO 单条语句（如脚本式 main）
             }
-            default -> throw new IllegalStateException("Unsupported top-level node: " + node);
+            default -> throw new IllegalStateException("不支持的顶级节点: " + node);
         }
     }
 
@@ -128,7 +127,7 @@ public final class BasicIRBuilder {
                 if (r.getExpression().isPresent()) currentFn.add(new ReturnInstruction(expr(r.getExpression().get())));
                 else currentFn.add(new ReturnInstruction(null));
             }
-            default -> throw new IllegalStateException("Unsupported stmt: " + n);
+            default -> throw new IllegalStateException("不支持的语句: " + n);
         }
     }
 
@@ -149,7 +148,7 @@ public final class BasicIRBuilder {
                 if (v == null) throw new IllegalStateException("变量 " + id.name() + " 未定义");
                 yield v;
             }
-            default -> throw new IllegalStateException("Unsupported expr: " + e);
+            default -> throw new IllegalStateException("不支持的表达式: " + e);
         };
     }
 
diff --git a/test b/test
index 1d1de19..363a1a4 100644
--- a/test
+++ b/test
@@ -1,5 +1,5 @@
 module: CommonTasks
-    function: main1
+    function: main
         parameter:
             declare num1: int
             declare num2: int