fix swagger自动配置

iot-common/iot-common-doc/src/main/resources/META-INF/spring.factories

@@ -1,3 +1,3 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-  cc.iotkit.swagger.config.SwaggerWebConfiguration,\
+  cc.iotkit.swagger.config.SwaggerAutoConfiguration,\
   cc.iotkit.swagger.config.SwaggerWebConfiguration