diff --git a/ics-common/ics-common-core/src/main/java/com/ics/common/utils/device/SignUtils.java b/ics-common/ics-common-core/src/main/java/com/ics/common/utils/device/SignUtils.java
index bbe874f..0859745 100644
--- a/ics-common/ics-common-core/src/main/java/com/ics/common/utils/device/SignUtils.java
+++ b/ics-common/ics-common-core/src/main/java/com/ics/common/utils/device/SignUtils.java
@@ -49,7 +49,7 @@ public class SignUtils {
 
         Map<String, String > heads = new HashMap<>();
 
-        String body = HttpRequest.post("http://218.81.144.84:8888/cootoo/openLock")
+        String body = HttpRequest.post("http://116.227.212.175:8888/cootoo/openLock")
                 .headerMap(heads, false)
                 .body(on.toString()).timeout(30 * 1000).execute().body();
         System.out.println(body);