diff --git a/src/main/resources/templates/page/add-edit-api.html b/src/main/resources/templates/page/add-edit-api.html
index b3c002d..fb330b8 100644
--- a/src/main/resources/templates/page/add-edit-api.html
+++ b/src/main/resources/templates/page/add-edit-api.html
@@ -158,7 +158,7 @@
 								<div class="form-group row">
 									<label class="col-sm-3 col-form-label">Syntax 응답 Body1</label>
 									<div class="col-sm-9">
-										<select th:field="*{syntaxResponseBody1}" th:value="*{syntaxResponseBody1}">
+										<select class="form-control" th:field="*{syntaxResponseBody1}" th:value="*{syntaxResponseBody1}">
 											<option th:value="'plaintext'" th:text="TEXT"></option>
 											<option th:value="'json'" th:text="JSON"></option>
 											<option th:value="'xml'" th:text="XML"></option>
@@ -170,7 +170,7 @@
 								<div class="form-group row">
 									<label class="col-sm-3 col-form-label">Syntax 응답 Body2</label>
 									<div class="col-sm-9">
-										<select th:field="*{syntaxResponseBody2}" th:value="*{syntaxResponseBody2}">
+										<select class="form-control" th:field="*{syntaxResponseBody2}" th:value="*{syntaxResponseBody2}">
 											<option th:value="'plaintext'" th:text="TEXT"></option>
 											<option th:value="'json'" th:text="JSON"></option>
 											<option th:value="'xml'" th:text="XML"></option>