diff --git a/w10/src/main/java/com/example/datacollect/command/CrawlCommand.java b/w10/src/main/java/com/example/datacollect/command/CrawlCommand.java
index ac4d49e..cc9c927 100644
--- a/w10/src/main/java/com/example/datacollect/command/CrawlCommand.java
+++ b/w10/src/main/java/com/example/datacollect/command/CrawlCommand.java
@@ -4,8 +4,11 @@ import com.example.datacollect.model.Article;
 import com.example.datacollect.service.CrawlerService;
 import com.example.datacollect.view.ConsoleView;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class CrawlCommand implements Command {
+    private static final Logger logger = LoggerFactory.getLogger(CrawlCommand.class);
     private final ConsoleView view;
     private final CrawlerService service;
 
diff --git a/w10/src/main/java/com/example/datacollect/controller/CrawlerController.java b/w10/src/main/java/com/example/datacollect/controller/CrawlerController.java
index b1a853e..dee257d 100644
--- a/w10/src/main/java/com/example/datacollect/controller/CrawlerController.java
+++ b/w10/src/main/java/com/example/datacollect/controller/CrawlerController.java
@@ -9,8 +9,11 @@ import com.example.datacollect.service.CrawlerService;
 import com.example.datacollect.view.ConsoleView;
 import java.util.HashMap;
 import java.util.Map;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class CrawlerController {
+    private static final Logger logger = LoggerFactory.getLogger(CrawlerController.class);
     private final Map<String, Command> commands = new HashMap<>();
     private final ConsoleView view;
 
@@ -34,8 +37,11 @@ public class CrawlerController {
 
         String[] args = text.split("\\s+");
         String cmdName = args[0].toLowerCase();
+        logger.info("Received command: {}", cmdName);
+        
         Command command = commands.get(cmdName);
         if (command == null) {
+            logger.warn("Unknown command: {}", cmdName);
             view.printError("Unknown command: " + cmdName);
             return;
         }