diff --git a/Src/Asp.Net/SqlSugar/Utilities/DbExtensions.cs b/Src/Asp.Net/SqlSugar/Utilities/DbExtensions.cs
index 1a2b9c8c4..542cd3e03 100644
--- a/Src/Asp.Net/SqlSugar/Utilities/DbExtensions.cs
+++ b/Src/Asp.Net/SqlSugar/Utilities/DbExtensions.cs
@@ -68,7 +68,7 @@ namespace SqlSugar
         {
             if (value != null)
             {
-                if (value.IsContainsIn(";", "--")) 
+                if (value.IsContainsIn(";", "--"))
                 {
                     throw new Exception($"{value} format error ");
                 }
@@ -76,6 +76,15 @@ namespace SqlSugar
                 {
                     throw new Exception($"{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 "))
+                {
+                   Check.ExceptionEasy($"{value} format error  ", value+ "不能存在  空格+【update drop 等】+空格 ");
+                }
             }
             return value;
         }