diff --git a/src/org/redkale/convert/ConvertType.java b/src/org/redkale/convert/ConvertType.java
index 89c1f5ddc..433908ca1 100644
--- a/src/org/redkale/convert/ConvertType.java
+++ b/src/org/redkale/convert/ConvertType.java
@@ -18,6 +18,7 @@ public enum ConvertType {
     JSON(1),
     BSON(2),
     PROTOBUF(64),
+    PROTOBUF_JSON(64 + 1),
     DIY(256),
     ALL(1023);