diff --git a/src/main/java/org/noear/esearchx/model/EsTerms.java b/src/main/java/org/noear/esearchx/model/EsTerms.java
index 1cf1b6e5e703b5c12eacb0480674433575c4e415..9c880673126972b35031ce23c9c54663bc15b143 100644
--- a/src/main/java/org/noear/esearchx/model/EsTerms.java
+++ b/src/main/java/org/noear/esearchx/model/EsTerms.java
@@ -41,6 +41,11 @@ public class EsTerms {
         return this;
     }
 
+    public EsTerms shardSize(int size) {
+        oNode.set("shard_size", size);
+        return this;
+    }
+
     /**
      * 聚合模式
      */