Update checkfiled

Src/Asp.Net/SqlSugar/Utilities/DbExtensions.cs

@@ -72,31 +72,45 @@ namespace SqlSugar
                 {
                     throw new Exception($"{value} format error ");
                 }
-                else if (value.IsContainsIn("'")&&(value.Length- value.Replace("'","").Length)%2!=0)
+                else if (value.IsContainsIn("'") && (value.Length - value.Replace("'", "").Length) % 2 != 0)
                 {
                     throw new Exception($"{value} format error ");
                 }
-                else if (value.ToLower().Contains("/update/")
-                 || value.ToLower().Contains("/delete/")
-                 || value.ToLower().Contains("/drop/")
-                 || value.ToLower().Contains("/alert/")
-                 || value.ToLower().Contains("/create/")
-                 || value.ToLower().Contains("/insert/"))
+                else if (IsUpdateSql(value,"/","/"))
                 {
                     Check.ExceptionEasy($"{value} format error  ", value + "不能存在  /+【update drop 等】+/ ");
                 }
-                else if (value.ToLower().Contains(" update ") 
+                else if (IsUpdateSql(value, "/", " "))
+                {
+                    Check.ExceptionEasy($"{value} format error  ", value + "不能存在  /+【update drop 等】+空格 ");
+                }
+                else if (IsUpdateSql(value, " ", "/"))
+                {
+                    Check.ExceptionEasy($"{value} format error  ", value + "不能存在  空格+【update drop 等】+/ ");
+                }
+                else if (value.ToLower().Contains(" update ")
                     || value.ToLower().Contains(" delete ")
                     || value.ToLower().Contains(" drop ")
                     || value.ToLower().Contains(" alert ")
                     || value.ToLower().Contains(" create ")
                     || value.ToLower().Contains(" insert "))
                 {
-                   Check.ExceptionEasy($"{value} format error  ", value+ "不能存在  空格+【update drop 等】+空格 ");
+                    Check.ExceptionEasy($"{value} format error  ", value + "不能存在  空格+【update drop 等】+空格 ");
                 }
             }
             return value;
         }
+
+        private static bool IsUpdateSql(string value,string left ,string right)
+        {
+            return value.ToLower().Contains(left+"update"+right)
+                             || value.ToLower().Contains(left + "delete" + right)
+                             || value.ToLower().Contains(left + "drop" + right)
+                             || value.ToLower().Contains(left + "alert" + right)
+                             || value.ToLower().Contains(left + "create" + right)
+                             || value.ToLower().Contains(left + "insert" + right);
+        }
+
         public static string ToCheckRegexW(this string value) 
         {
             if (Regex.IsMatch(value,@"^\w+$"))