button에 type="button" 지정

hwe/js/templates/message.html

@@ -42,5 +42,5 @@
         <div class="msg_content"><%e(text)%></div>
         <%if(this.option && this.option.action) {%>
         <div class="msg_prompt">
-            <button class="prompt_yes btn_prompt" <%allowButton?'':'disabled="disabled"'%>>>수락</button> <button class="prompt_no btn_prompt" <%allowButton?'':'disabled="disabled"'%>>거절</button>
+            <button type="button" class="prompt_yes btn_prompt" <%allowButton?'':'disabled="disabled"'%>>수락</button> <button type="button" class="prompt_no btn_prompt" <%allowButton?'':'disabled="disabled"'%>>거절</button>
         </div><%} %></div></div>