diff --git a/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs b/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs
index 4be7dd4e5..69c632e4d 100644
--- a/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs
+++ b/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("5.0.0.19")]
-[assembly: AssemblyFileVersion("5.0.0.19")]
+[assembly: AssemblyVersion("5.0.0.20")]
+[assembly: AssemblyFileVersion("5.0.0.20")]
diff --git a/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs
index b59e7dda6..e35d74abf 100644
--- a/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs
@@ -69,7 +69,7 @@ namespace SqlSugar
         {
             var parameter = model.Args[0];
             var parameter2 = model.Args[1];
-            return string.Format(" (DATE_ADD({1} INTERVAL {0} day)) ", parameter.MemberName, parameter2.MemberName);
+            return string.Format(" (DATE_ADD({0}, INTERVAL {1} day)) ", parameter.MemberName, parameter2.MemberName);
         }
 
         public override string ToInt32(MethodCallExpressionModel model)