diff --git a/tomcat/src/main/java/org/apache/coyote/http11/controller/LoginController.java b/tomcat/src/main/java/org/apache/coyote/http11/controller/LoginController.java
index a710c21991..e8b2928437 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/controller/LoginController.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/controller/LoginController.java
@@ -44,7 +44,7 @@ protected void doPost(HttpRequest request, HttpResponse response) {
             response.redirect(INDEX_URI.getFullPath());
             return;
         }
-        final RequestBody requestBody = request.getRequestBody();
+        final RequestBody requestBody = request.getRequestBody().orElseThrow(IllegalStateException::new);
         final String account = requestBody.getParamValue("account");
         final String password = requestBody.getParamValue("password");
         final Optional<User> userOptional = InMemoryUserRepository.findByAccount(account);
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/controller/RegisterController.java b/tomcat/src/main/java/org/apache/coyote/http11/controller/RegisterController.java
index 622a7d2862..365cbd7836 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/controller/RegisterController.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/controller/RegisterController.java
@@ -28,7 +28,7 @@ protected void doGet(HttpRequest request, HttpResponse response) throws Exceptio
 
     @Override
     protected void doPost(HttpRequest request, HttpResponse response) {
-        final RequestBody requestBody = request.getRequestBody();
+        final RequestBody requestBody = request.getRequestBody().orElseThrow(IllegalStateException::new);
         final String accountValue = requestBody.getParamValue("account");
         final Optional<User> userOptional = InMemoryUserRepository.findByAccount(accountValue);
         if (userOptional.isPresent()) {
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/controller/RootController.java b/tomcat/src/main/java/org/apache/coyote/http11/controller/RootController.java
index d857ce24bf..000e2475d7 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/controller/RootController.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/controller/RootController.java
@@ -4,14 +4,22 @@
 import org.apache.coyote.http11.response.HttpResponse;
 import org.apache.coyote.http11.response.HttpStatus;
 import org.apache.coyote.http11.response.ResponseBody;
+import org.apache.coyote.http11.response.StaticResource;
+
+import java.io.IOException;
 
 public class RootController extends AbstractController {
 
     @Override
     protected void doGet(HttpRequest request, HttpResponse response) {
-        final ResponseBody responseBody = ResponseBody.rootContent();
-        response.setHttpStatus(HttpStatus.OK);
-        response.setResponseBody(responseBody);
-        response.setResponseHeaders(responseBody);
+        try {
+            final StaticResource staticResource = StaticResource.from(request.getRequestLine().getPath());
+            final ResponseBody responseBody = ResponseBody.from(staticResource);
+            response.setResponseBody(responseBody);
+            response.setHttpStatus(HttpStatus.OK);
+            response.setResponseHeaders(responseBody);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
     }
 }
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/request/HttpRequest.java b/tomcat/src/main/java/org/apache/coyote/http11/request/HttpRequest.java
index 3cef10993e..5c036ee4b6 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/request/HttpRequest.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/request/HttpRequest.java
@@ -13,11 +13,11 @@ public class HttpRequest {
 
     private final RequestLine requestLine;
     private final RequestHeaders requestHeaders;
-    private final RequestBody requestBody;
+    private final Optional<RequestBody> requestBody;
 
     private HttpRequest(final RequestLine requestLine,
                         final RequestHeaders requestHeaders,
-                        final RequestBody requestBody) {
+                        final Optional<RequestBody> requestBody) {
         this.requestLine = requestLine;
         this.requestHeaders = requestHeaders;
         this.requestBody = requestBody;
@@ -26,7 +26,7 @@ private HttpRequest(final RequestLine requestLine,
     public static HttpRequest from(final BufferedReader bufferedReader) throws IOException {
         final RequestLine requestLine = RequestLine.from(bufferedReader.readLine());
         final RequestHeaders requestHeaders = RequestHeaders.from(bufferedReader);
-        final RequestBody requestBody = RequestBody.of(requestHeaders, bufferedReader);
+        final Optional<RequestBody> requestBody = RequestBody.of(requestHeaders, bufferedReader);
         return new HttpRequest(requestLine, requestHeaders, requestBody);
     }
 
@@ -34,7 +34,7 @@ public RequestLine getRequestLine() {
         return requestLine;
     }
 
-    public RequestBody getRequestBody() {
+    public Optional<RequestBody> getRequestBody() {
         return requestBody;
     }
 
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/request/RequestBody.java b/tomcat/src/main/java/org/apache/coyote/http11/request/RequestBody.java
index b381652e90..4fde0a844d 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/request/RequestBody.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/request/RequestBody.java
@@ -5,6 +5,7 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Optional;
 import java.util.StringTokenizer;
 
 public class RequestBody {
@@ -16,9 +17,9 @@ private RequestBody(final Map<String, String> content) {
         this.content = content;
     }
 
-    public static RequestBody of(final RequestHeaders requestHeaders, final BufferedReader bufferedReader) throws IOException {
+    public static Optional<RequestBody> of(final RequestHeaders requestHeaders, final BufferedReader bufferedReader) throws IOException {
         if (!requestHeaders.containsKey("Content-Length")) {
-            return EMPTY;
+            return Optional.empty();
         }
         final Map<String, String> result = new HashMap<>();
         final int contentLength = Integer.parseInt(requestHeaders.getHeaderValue("Content-Length"));
@@ -33,10 +34,10 @@ public static RequestBody of(final RequestHeaders requestHeaders, final Buffered
                 final String[] split = param.split("=");
                 result.put(split[0], split[1]);
             }
-            return new RequestBody(result);
+            return Optional.of(new RequestBody(result));
         }
 
-        return EMPTY;
+        return Optional.empty();
     }
 
     public String getParamValue(final String key) {
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/response/ResponseBody.java b/tomcat/src/main/java/org/apache/coyote/http11/response/ResponseBody.java
index 57f23d111f..55069d8f6a 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/response/ResponseBody.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/response/ResponseBody.java
@@ -18,14 +18,6 @@ public static ResponseBody from(final StaticResource staticResource) {
         );
     }
 
-    public static ResponseBody noContent() {
-        return new ResponseBody(new byte[]{}, null);
-    }
-
-    public static ResponseBody rootContent() {
-        return new ResponseBody("Hello world!".getBytes(), ContentType.HTML);
-    }
-
     public byte[] getContent() {
         return content;
     }
diff --git a/tomcat/src/main/java/org/apache/coyote/http11/response/StaticResource.java b/tomcat/src/main/java/org/apache/coyote/http11/response/StaticResource.java
index ac9112a8fe..a3ddbc9a1e 100644
--- a/tomcat/src/main/java/org/apache/coyote/http11/response/StaticResource.java
+++ b/tomcat/src/main/java/org/apache/coyote/http11/response/StaticResource.java
@@ -22,6 +22,9 @@ private StaticResource(final byte[] content, final String fileType) {
     }
 
     public static StaticResource from(final String fileName) throws IOException {
+        if (fileName.equals("/")) {
+            return new StaticResource("Hello World!".getBytes(), "");
+        }
         return new StaticResource(extractContent(fileName), extractFileExtension(fileName));
     }