diff --git a/src/org/redkale/source/EntityCache.java b/src/org/redkale/source/EntityCache.java
index 5acf3f007..aa649af7a 100644
--- a/src/org/redkale/source/EntityCache.java
+++ b/src/org/redkale/source/EntityCache.java
@@ -286,7 +286,7 @@ public final class EntityCache<T> {
             rs = rs2;
         } else if (func == DISTINCTCOUNT) {
             Map rs2 = new LinkedHashMap();
-            rs.forEach((x, y) -> rs2.put(x, ((Set) y).size()));
+            rs.forEach((x, y) -> rs2.put(x, ((Set) y).size() + 0L));
             rs = rs2;
         }
         return rs;