add

@@ -133,11 +133,11 @@ http
               server java-gateway-431f16063270008f.elb.cn-north-1.amazonaws.com.cn:8080 max_fails=5  fail_timeout=3s;   
         {% elif upstream_az == 'az1'%}
            server 10.66.4.112:8080 max_fails=5  fail_timeout=3s;   
-        {% else %}}
+        {% else %}
             {% for i in groups['java-gateway'] %}
               server {{ i }}:8080 max_fails=5  fail_timeout=3s;
             {% endfor %}
-        {% endif %}}
+        {% endif %}
 
               keepalive	32;
       }