From 47661ad92374580434d098b200cfeecd3a91703d Mon Sep 17 00:00:00 2001
From: CaiHQ <caihq@pku.edu.cn>
Date: Tue, 12 Apr 2022 16:30:24 +0800
Subject: [PATCH] fix: null point exception

---
 src/main/entry/org/bdware/sc/bean/Contract.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/entry/org/bdware/sc/bean/Contract.java b/src/main/entry/org/bdware/sc/bean/Contract.java
index b79e35a..7536681 100644
--- a/src/main/entry/org/bdware/sc/bean/Contract.java
+++ b/src/main/entry/org/bdware/sc/bean/Contract.java
@@ -233,6 +233,8 @@ public class Contract extends SM2Verifiable implements Serializable {
     }
 
     public JsonElement getCreateParam() {
-        return createParam.getJsonElement();
+        if (createParam != null)
+            return createParam.getJsonElement();
+        return null;
     }
 }