fix InitTables error when entity has complex props

Src/Asp.Net/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs

@@ -258,17 +258,7 @@ namespace SqlSugar
                 }
                 else
                 {
-                    if (sugarColumn.IsJson && String.IsNullOrEmpty(sugarColumn.ColumnDataType))
+                    
-                    {
-                        if (this.Context.CurrentConnectionConfig.DbType == DbType.PostgreSQL)
-                        {
-                            column.DataType = "json";
-                        }
-                        else
-                        {
-                            column.DataType = "varchar(4000)";
-                        }
-                    }
                     if (sugarColumn.IsIgnore == false)
                     {
                         column.DbColumnName = sugarColumn.ColumnName.IsNullOrEmpty() ? property.Name : sugarColumn.ColumnName;
@@ -294,6 +284,18 @@ namespace SqlSugar
                         column.IsArray = sugarColumn.IsArray;
                         column.IsTreeKey = sugarColumn.IsTreeKey;
                         column.SqlParameterDbType = sugarColumn.SqlParameterDbType;
+
+                        if (sugarColumn.IsJson && String.IsNullOrEmpty(sugarColumn.ColumnDataType))
+                        {
+                            if (this.Context.CurrentConnectionConfig.DbType == DbType.PostgreSQL)
+                            {
+                                column.DataType = "json";
+                            }
+                            else
+                            {
+                                column.DataType = "varchar(4000)";
+                            }
+                        }
                     }
                     else
                     {