diff --git a/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java b/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java
index 56cb63d..6b5c3ba 100644
--- a/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java
+++ b/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java
@@ -1,9 +1,11 @@
 package org.jcnc.snow.compiler.lexer.core;
 
+import org.jcnc.snow.common.SnowConfig;
 import org.jcnc.snow.compiler.lexer.base.TokenScanner;
 import org.jcnc.snow.compiler.lexer.scanners.*;
 import org.jcnc.snow.compiler.lexer.token.Token;
 import org.jcnc.snow.compiler.lexer.token.TokenType;
+import org.jcnc.snow.compiler.lexer.utils.TokenPrinter;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -54,6 +56,7 @@ public class LexerEngine {
         /* 2. 后置整体校验 */
         validateTokens();
         /* 3. 打印 token */
+        // TODO: TokenPrinter
 //        if (SnowConfig.isDebug()) {
 //            TokenPrinter.print(tokens);
 //        }