diff --git a/FreeSql/Internal/CommonProvider/DeleteProvider.cs b/FreeSql/Internal/CommonProvider/DeleteProvider.cs
index a0b8c0908..30588fadf 100644
--- a/FreeSql/Internal/CommonProvider/DeleteProvider.cs
+++ b/FreeSql/Internal/CommonProvider/DeleteProvider.cs
@@ -205,7 +205,7 @@ public void ToSqlFetch(Action<StringBuilder> fetch)
                     _tableRule = old => name;
                     sb.Clear().Append("DELETE FROM ").Append(_commonUtils.QuoteSqlName(TableRuleInvoke())).Append(newwhere);
                     _interceptSql?.Invoke(sb);
-                    fetch(sb);
+					if (sb.Length > 0) fetch(sb);
                 }
                 _tableRule = oldTableRule;
                 return;
@@ -240,7 +240,7 @@ async public Task ToSqlFetchAsync(Func<StringBuilder, Task> fetchAsync)
                     _tableRule = old => name;
                     sb.Clear().Append("DELETE FROM ").Append(_commonUtils.QuoteSqlName(TableRuleInvoke())).Append(newwhere);
                     _interceptSql?.Invoke(sb);
-                    await fetchAsync(sb);
+					if (sb.Length > 0) await fetchAsync(sb);
                 }
                 _tableRule = oldTableRule;
                 return;
diff --git a/FreeSql/Internal/CommonProvider/UpdateProvider.cs b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
index 503884464..26d1bbe97 100644
--- a/FreeSql/Internal/CommonProvider/UpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
@@ -1002,7 +1002,7 @@ public void ToSqlFetch(Action<StringBuilder> fetch)
             {
                 var sb1 = new StringBuilder();
                 ToSqlExtension110(sb1, false);
-                fetch(sb1);
+                if (sb1.Length > 0) fetch(sb1);
                 return;
             }
             if (_where.Length == 0) return;
@@ -1035,7 +1035,7 @@ async public Task ToSqlFetchAsync(Func<StringBuilder, Task> fetchAsync)
             {
                 var sb1 = new StringBuilder();
                 ToSqlExtension110(sb1, false);
-                await fetchAsync(sb1);
+				if (sb1.Length > 0) await fetchAsync(sb1);
                 sb1.Clear();
                 return;
             }
@@ -1126,7 +1126,11 @@ public virtual void ToSqlExtension110(StringBuilder sb, bool isAsTableSplited)
                         ++colidx;
                     }
                 }
-                if (colidx == 0) return;
+                if (colidx == 0)
+                {
+                    sb.Clear();
+                    return;
+                }
 
             }
             else if (_source.Count > 1)