From 2550611410e5ef7e7e4007f640f5acaea17729a9 Mon Sep 17 00:00:00 2001
From: 2881099 <2881099@qq.com>
Date: Sat, 20 Jul 2019 15:19:21 +0800
Subject: [PATCH] =?UTF-8?q?-=20=E4=BC=98=E5=8C=96=20ExpressionTree=20?=
 =?UTF-8?q?=E7=B1=BB=E5=9E=8B=E8=BD=AC=E6=8D=A2=E7=9A=84=E5=8F=8B=E5=A5=BD?=
 =?UTF-8?q?=E9=94=99=E8=AF=AF=E6=8F=90=E7=A4=BA=EF=BC=9B?=
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---
 FreeSql/Internal/UtilsExpressionTree.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/FreeSql/Internal/UtilsExpressionTree.cs b/FreeSql/Internal/UtilsExpressionTree.cs
index a62e0eb6..a9d8715f 100644
--- a/FreeSql/Internal/UtilsExpressionTree.cs
+++ b/FreeSql/Internal/UtilsExpressionTree.cs
@@ -1770,7 +1770,14 @@ namespace FreeSql.Internal
                 var exp = GetDataReaderValueBlockExpression(type, parmExp);
                 return Expression.Lambda<Func<object, object>>(exp, parmExp).Compile();
             });
-            return func(value);
+            try
+            {
+                return func(value);
+            }
+            catch (Exception ex)
+            {
+                throw new ArgumentException($"ExpressionTree 转换类型错误，值({string.Concat(value)})，类型({value.GetType().FullName})，目标类型({type.FullName})，{ex.Message}");
+            }
         }
         public static string GetCsName(string name)
         {