diff --git a/chain.go b/chain.go
index 0d7c8bd..9f05bdc 100644
--- a/chain.go
+++ b/chain.go
@@ -3,15 +3,15 @@ package dbquery
 import (
 	"database/sql"
 	"errors"
-	"log"
-
-	// "log"
 	"strconv"
 	"strings"
 
 	"git.tetele.net/tgo/helper"
 )
 
+var stmt *sql.Stmt
+var err error
+
 type Query struct {
 	dbname    string
 	table     string
@@ -99,14 +99,13 @@ func (this *Query) QueryStmt() error {
 	if this.dbname == "" && this.table == "" {
 		return errors.New("参数错误，没有数据表")
 	}
-	if len(this.where)+len(this.where_or) < len(this.value) {
-		return errors.New("参数错误，条件值错误")
-	}
+	// if len(this.where)+len(this.where_or) < len(this.value) {
+	// 	return errors.New("参数错误，条件值错误")
+	// }
 
 	table := getTableName(this.dbname, this.table)
 
-	var stmt *sql.Stmt
-	var err error
+	// var err error
 
 	var sql, title string
 
@@ -167,7 +166,17 @@ func (this *Query) QueryStmt() error {
 			sql = helper.StringJoin(sql, " limit ", from, " , ", offset)
 		}
 	}
-	log.Println(sql)
+	// log.Println(sql)
+	condition_len := 0 //所有条件数
+	for _, ch2 := range sql {
+		if string(ch2) == "?" {
+			condition_len++
+		}
+	}
+	if condition_len != len(this.value) {
+		return errors.New("参数错误，条件值错误")
+	}
+
 	stmt, err = DB.Prepare(sql)
 
 	if err != nil {
@@ -191,8 +200,8 @@ func (this *Query) UpdateStmt() error {
 
 	dbName := getTableName(this.dbname, this.table)
 
-	var stmt *sql.Stmt
-	var err error
+	// var stmt *sql.Stmt
+	// var err error
 
 	var sql string
 
@@ -200,6 +209,17 @@ func (this *Query) UpdateStmt() error {
 
 	sql = helper.StringJoin(sql, " where ", strings.Join(this.where, " and "))
 
+	condition_len := 0 //所有条件数
+
+	for _, ch2 := range sql {
+		if string(ch2) == "?" {
+			condition_len++
+		}
+	}
+	if condition_len != len(this.value) {
+		return errors.New("参数错误，条件值错误")
+	}
+
 	stmt, err = DB.Prepare(sql)
 
 	if err != nil {
@@ -220,13 +240,24 @@ func (this *Query) CreateStmt() error {
 
 	dbName := getTableName(this.dbname, this.table)
 
-	var stmt *sql.Stmt
-	var err error
+	// var stmt *sql.Stmt
+	// var err error
 
 	var sql string
 
 	sql = helper.StringJoin("insert into ", dbName, " set ", strings.Join(this.data, " , "))
 
+	condition_len := 0 //所有条件数
+
+	for _, ch2 := range sql {
+		if string(ch2) == "?" {
+			condition_len++
+		}
+	}
+	if condition_len != len(this.value) {
+		return errors.New("参数错误，条件值错误")
+	}
+
 	stmt, err = DB.Prepare(sql)
 
 	if err != nil {
@@ -247,14 +278,14 @@ func (this *Query) DeleteStmt() error {
 	if len(this.where) < 1 {
 		return errors.New("参数错误，缺少条件")
 	}
-	if len(this.where) != len(this.value) {
-		return errors.New("参数错误，条件值错误")
-	}
+	// if len(this.where) != len(this.value) {
+	// 	return errors.New("参数错误，条件值错误")
+	// }
 
 	dbName := getTableName(this.dbname, this.table)
 
-	var stmt *sql.Stmt
-	var err error
+	// var stmt *sql.Stmt
+	// var err error
 
 	var sql string
 
@@ -264,6 +295,17 @@ func (this *Query) DeleteStmt() error {
 		sql = helper.StringJoin(sql, " limit ", strconv.Itoa(this.page_size))
 	}
 
+	condition_len := 0 //所有条件数
+
+	for _, ch2 := range sql {
+		if string(ch2) == "?" {
+			condition_len++
+		}
+	}
+	if condition_len != len(this.value) {
+		return errors.New("参数错误，条件值错误")
+	}
+
 	stmt, err = DB.Prepare(sql)
 
 	if err != nil {
diff --git a/chain_test.go b/chain_test.go
index ecf3af2..aef4f56 100644
--- a/chain_test.go
+++ b/chain_test.go
@@ -7,7 +7,7 @@ import (
 func Test_Chain(t *testing.T) {
 	Connect("127.0.0.1", "root", "123456", "test1_tetele_com", "3306")
 
-	ret, err := new(Query).Db("test1_tetele_com").Table("ttl_user").Title("id,username").WhereOr("id =?").WhereOr("id = ?").Value(2).Value(4).PageSize(4).Select()
+	ret, err := new(Query).Db("test1_tetele_com").Table("ttl_user").Title("id,username").WhereOr("id =?").WhereOr("id = ?").Value(2).Value(4).Value(4).PageSize(4).Select()
 
 	t.Log(len(ret))
 	t.Log(ret)
diff --git a/go.mod b/go.mod
index cfc9706..be40e1b 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module git.tetele.net/tgo/dbquery
 go 1.14
 
 require (
-	git.tetele.net/tgo/helper v0.1.0 // indirect
-	github.com/go-sql-driver/mysql v1.5.0 // indirect
+	git.tetele.net/tgo/helper v0.1.0
+	github.com/go-sql-driver/mysql v1.5.0
 )