From c9a1e2a7b86d5dd32fafe366212efd6de9fb6fb8 Mon Sep 17 00:00:00 2001
From: 2881099 <2881099@qq.com>
Date: Mon, 23 Nov 2020 22:38:52 +0800
Subject: [PATCH] =?UTF-8?q?-=20=E4=BC=98=E5=8C=96=20JsonMap=20StringLength?=
 =?UTF-8?q?=20=3D=20-2=EF=BC=9B#556?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Extensions/FreeSql.Extensions.JsonMap/JsonMapCore.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Extensions/FreeSql.Extensions.JsonMap/JsonMapCore.cs b/Extensions/FreeSql.Extensions.JsonMap/JsonMapCore.cs
index a0f6855d..24262eab 100644
--- a/Extensions/FreeSql.Extensions.JsonMap/JsonMapCore.cs
+++ b/Extensions/FreeSql.Extensions.JsonMap/JsonMapCore.cs
@@ -49,6 +49,7 @@ public static class FreeSqlJsonMapCoreExtensions
             if (isJsonMap)
             {
                 e.ModifyResult.MapType = typeof(string);
+                e.ModifyResult.StringLength = -2;
                 if (_dicTypes.TryAdd(e.Property.PropertyType, true))
                 {
                     FreeSql.Internal.Utils.GetDataReaderValueBlockExpressionObjectToStringIfThenElse.Add((LabelTarget returnTarget, Expression valueExp, Expression elseExp, Type type) =>