diff --git a/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs b/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs
index e707a2181..b13cb3911 100644
--- a/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs
+++ b/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs
@@ -96,7 +96,7 @@ namespace SqlSugar
                 string fileName = propertyInfo.Name;
                 if (mappingColumns != null)
                 {
-                    var mappInfo = mappingColumns.SingleOrDefault(it => it.EntityName.Equals(propertyInfo.Name));
+                    var mappInfo = mappingColumns.SingleOrDefault(it => it.EntityName==type.Name&&it.PropertyName.Equals(propertyInfo.Name));
                     if (mappInfo != null)
                     {
                         fileName = mappInfo.DbColumnName;
diff --git a/SqlSugar/Common/CommonExtensions.cs b/SqlSugar/Common/CommonExtensions.cs
deleted file mode 100644
index 7bce95f04..000000000
--- a/SqlSugar/Common/CommonExtensions.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace SqlSugar
-{
-    public static class CommonExtensions
-    {
-       
-    }
-}
diff --git a/SqlSugar/ExpressionsToSql/Method/SqlFunc.cs b/SqlSugar/ExpressionsToSql/Method/SqlFunc.cs
index f01a054e5..1b1d8d290 100644
--- a/SqlSugar/ExpressionsToSql/Method/SqlFunc.cs
+++ b/SqlSugar/ExpressionsToSql/Method/SqlFunc.cs
@@ -8,24 +8,30 @@ namespace SqlSugar
 {
     public class SqlFunc
     {
-        public static bool HasNumber(object thisValue) { throw new NotImplementedException(); }
-        public static bool HasValue(object thisValue){ throw new NotImplementedException(); }
+        public static bool HasNumber(object thisValue)
+        {
+            return thisValue.ObjToInt() > 0;
+        }
+        public static bool HasValue(object thisValue)
+        {
+            return thisValue.IsValuable();
+        }
         public static bool IsNullOrEmpty(object thisValue) { throw new NotImplementedException(); }
         public static string ToLower(object thisValue) { throw new NotImplementedException(); }
         public static string ToUpper(object thisValue) { throw new NotImplementedException(); }
         public static string Trim(object thisValue) { throw new NotImplementedException(); }
-        public static bool Contains(string thisValue, string parameterValue) {  throw new NotImplementedException();}
-        public static bool ContainsArray<T>(T [] thisValue, object parameterValue) { throw new NotImplementedException(); }
+        public static bool Contains(string thisValue, string parameterValue) { throw new NotImplementedException(); }
+        public static bool ContainsArray<T>(T[] thisValue, object parameterValue) { throw new NotImplementedException(); }
         public static bool StartsWith(object thisValue, string parameterValue) { throw new NotImplementedException(); }
         public static bool EndsWith(object thisValue, string parameterValue) { throw new NotImplementedException(); }
         public new static bool Equals(object thisValue, object parameterValue) { throw new NotImplementedException(); }
-        public static bool DateIsSame(DateTime date1, DateTime date2) {  throw new NotImplementedException();}
+        public static bool DateIsSame(DateTime date1, DateTime date2) { throw new NotImplementedException(); }
         public static bool DateIsSame(DateTime? date1, DateTime? date2) { throw new NotImplementedException(); }
-        public static bool DateIsSame(DateTime date1, DateTime date2, DateType da