diff --git a/src/kvstore/listener/elasticsearch/ESListener.cpp b/src/kvstore/listener/elasticsearch/ESListener.cpp
index d1c1223e12d..66927c8c5da 100644
--- a/src/kvstore/listener/elasticsearch/ESListener.cpp
+++ b/src/kvstore/listener/elasticsearch/ESListener.cpp
@@ -128,6 +128,9 @@ void ESListener::pickTagAndEdgeData(BatchLogType type,
       }
       auto field = index.second.get_fields().front();
       auto v = reader->getValueByName(field);
+      if (v.type() == Value::Type::NULLVALUE) {
+        continue;
+      }
       if (v.type() != Value::Type::STRING) {
         LOG(ERROR) << "Can't create fulltext index on type " << v.type();
       }