From 62d682fbd50221988074b1cb7e7b7812212cce34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AF=BB=E9=92=93?=
 <38355949+dudiao@users.noreply.github.com>
Date: Wed, 31 Aug 2022 23:15:04 +0800
Subject: [PATCH] fix: When you append a string to the workflow context, the
 value has multiple double quotes.(#307)

---
 .../main/java/tech/powerjob/common/serialize/JsonUtils.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/powerjob-common/src/main/java/tech/powerjob/common/serialize/JsonUtils.java b/powerjob-common/src/main/java/tech/powerjob/common/serialize/JsonUtils.java
index ef591aee..f68bdc6d 100644
--- a/powerjob-common/src/main/java/tech/powerjob/common/serialize/JsonUtils.java
+++ b/powerjob-common/src/main/java/tech/powerjob/common/serialize/JsonUtils.java
@@ -22,6 +22,9 @@ public class JsonUtils {
     }
 
     public static String toJSONString(Object obj) {
+        if (obj instanceof String) {
+            return (String) obj;
+        }
         try {
             return objectMapper.writeValueAsString(obj);
         }catch (Exception ignore) {
@@ -30,6 +33,9 @@ public class JsonUtils {
     }
 
     public static String toJSONStringUnsafe(Object obj) {
+        if (obj instanceof String) {
+            return (String) obj;
+        }
         try {
             return objectMapper.writeValueAsString(obj);
         }catch (Exception e) {