diff --git a/others/oauth2.1-flow.md b/others/oauth2.1-flow.md
index ff99db6..1d57599 100644
--- a/others/oauth2.1-flow.md
+++ b/others/oauth2.1-flow.md
@@ -196,7 +196,8 @@ or [400]
 
 
 ## JWT_BEARER flow
-- Core-Class: 
+- Core-Class: JwtClientAssertionAuthenticationProvider
+- 
 
 
 
diff --git a/src/main/resources/templates/clientdetails/register_client.html b/src/main/resources/templates/clientdetails/register_client.html
index e14d246..d5ebf14 100644
--- a/src/main/resources/templates/clientdetails/register_client.html
+++ b/src/main/resources/templates/clientdetails/register_client.html
@@ -223,6 +223,7 @@
                                 class="form-control">
                             <option th:value="RS256">RS256</option>
                             <option th:value="ES256">ES256</option>
+                            <option th:value="HS256">HS256</option>
                         </select>
 
                         <p class="help-block">选择在调用<em>/oauth2/token</em>