diff --git a/server/web3bcspider/services/pull_bcevent.js b/server/web3bcspider/services/pull_bcevent.js
index 6e97042..a30ef29 100644
--- a/server/web3bcspider/services/pull_bcevent.js
+++ b/server/web3bcspider/services/pull_bcevent.js
@@ -238,6 +238,10 @@ class PullBcEvent extends BaseService {
     return logHead;
   }
 
+  async calcHash(data) {
+    return utils.sha1Str(data.toLowerCase().split("").sort().join(''));
+  }
+
 }
 
 module.exports = PullBcEvent;
diff --git a/third_party/j7 b/third_party/j7
index 579d7de..90bc1d4 160000
--- a/third_party/j7
+++ b/third_party/j7
@@ -1 +1 @@
-Subproject commit 579d7de1c260822edef5aff0a6e64f9a2228ef6f
+Subproject commit 90bc1d4fe9d25725c9de657e24b374c481b5e3c3