diff --git a/docs/QuickStart.md b/docs/QuickStart.md
index 6f568071..3b9f0aab 100644
--- a/docs/QuickStart.md
+++ b/docs/QuickStart.md
@@ -54,7 +54,7 @@ import (
 	_ "github.com/mattn/go-sqlite3"
 	"github.com/go-xorm/xorm"
 	)
-engine, err = xorm.NewEngine("sqlite3", "./test.db")
+engine, err := xorm.NewEngine("sqlite3", "./test.db")
 defer engine.Close()
 ```
 
diff --git a/docs/QuickStartCN.md b/docs/QuickStartCN.md
index d0fd45b1..793d05a4 100644
--- a/docs/QuickStartCN.md
+++ b/docs/QuickStartCN.md
@@ -58,7 +58,7 @@ import (
 	_ "github.com/mattn/go-sqlite3"
 	"github.com/go-xorm/xorm"
 	)
-engine, err = xorm.NewEngine("sqlite3", "./test.db")
+engine, err := xorm.NewEngine("sqlite3", "./test.db")
 defer engine.Close()
 ```
 
diff --git a/engine.go b/engine.go
index b234a80c..1f03e334 100644
--- a/engine.go
+++ b/engine.go
@@ -183,9 +183,9 @@ func (engine *Engine) Ping() error {
 func (engine *Engine) logSQL(sqlStr string, sqlArgs ...interface{}) {
 	if engine.ShowSQL {
 		if len(sqlArgs) > 0 {
-			engine.Logger.Info(fmt.Sprintf("[sql]", sqlStr, "[args]", sqlArgs))
+			engine.Logger.Info(fmt.Sprintf("[sql] %v [args] %v", sqlStr, sqlArgs))
 		} else {
-			engine.Logger.Info(fmt.Sprintf("[sql]", sqlStr))
+			engine.Logger.Info(fmt.Sprintf("[sql] %v", sqlStr))
 		}
 	}
 }
@@ -305,7 +305,6 @@ func (engine *Engine) DBMetas() ([]*core.Table, error) {
 		}
 		//table.Columns = cols
 		//table.ColumnsSeq = colSeq
-
 		indexes, err := engine.dialect.GetIndexes(table.Name)
 		if err != nil {
 			return nil, err
@@ -803,6 +802,14 @@ func (engine *Engine) mapType(v reflect.Value) *core.Table {
 									v = strings.Trim(v, "'")
 									col.EnumOptions[v] = k
 								}
+							} else if fs[0] == core.Set && fs[1][0] == '\'' { //set
+								options := strings.Split(fs[1][0:len(fs[1])-1], ",")
+								col.SetOptions = make(map[string]int)
+								for k, v := range options {
+									v = strings.TrimSpace(v)
+									v = strings.Trim(v, "'")
+									col.SetOptions[v] = k
+								}
 							} else {
 								fs2 := strings.Split(fs[1][0:len(fs[1])-1], ",")
 								if len(fs2) == 2 {
diff --git a/logger.go b/logger.go
index c4c17bbb..f9d529a1 100644
--- a/logger.go
+++ b/logger.go
@@ -1,6 +1,7 @@
 package xorm
 
 import (
+	"fmt"
 	"io"
 	"log"
 )
@@ -14,35 +15,46 @@ type ILogger interface {
 }
 
 type SimpleLogger struct {
-	logger *log.Logger
+	DEBUG *log.Logger
+	ERR   *log.Logger
+	INFO  *log.Logger
+	WARN  *log.Logger
 }
 
 func NewSimpleLogger(out io.Writer) *SimpleLogger {
 	return &SimpleLogger{
-		logger: log.New(out, "[xorm] ", log.Ldate|log.Lmicroseconds)}
+		DEBUG: log.New(out, "[xorm] [debug] ", log.Ldate|log.Lmicroseconds),
+		ERR:   log.New(out, "[xorm] [error] ", log.Ldate|log.Lmicroseconds),
+		INFO:  log.New(out, "[xorm] [info]  ", log.Ldate|log.Lmicroseconds),
+		WARN:  log.New(out, "[xorm] [warn]  ", log.Ldate|log.Lmicroseconds),
+	}
 }
 
 func NewSimpleLogger2(out io.Writer, prefix string, flag int) *SimpleLogger {
 	return &SimpleLogger{
-		logger: log.New(out, prefix, flag)}
+		DEBUG: log.New(out, fmt.Sprintf("%s [debug] ", prefix), log.Ldate|log.Lmicroseconds),
+		ERR:   log.New(out, fmt.Sprintf("%s [error] ", prefix), log.Ldate|log.Lmicroseconds),
+		INFO:  log.New(out, fmt.Sprintf("%s [info]  ", prefix), log.Ldate|log.Lmicroseconds),
+		WARN:  log.New(out, fmt.Sprintf("%s [warn]  ", prefix), log.Ldate|log.Lmicroseconds),
+	}
 }
 
 func (s *SimpleLogger) Debug(m string) (err error) {
-	s.logger.Println("[debug]", m)
+	s.DEBUG.Println(m)
 	return
 }
 
 func (s *SimpleLogger) Err(m string) (err error) {
-	s.logger.Println("[error]", m)
+	s.ERR.Println(m)
 	return
 }
 
 func (s *SimpleLogger) Info(m string) (err error) {
-	s.logger.Println("[info]", m)
+	s.INFO.Println(m)
 	return
 }
 
 func (s *SimpleLogger) Warning(m string) (err error) {
-	s.logger.Println("[warning]", m)
+	s.WARN.Println(m)
 	return
 }
diff --git a/mysql_dialect.go b/mysql_dialect.go
index 4e430165..b9911138 100644
--- a/mysql_dialect.go
+++ b/mysql_dialect.go
@@ -64,6 +64,17 @@ func (db *mysql) SqlType(c *core.Column) string {
 			}
 		}
 		res += ")"
+	case core.Set: //mysql set
+		res = core.Set
+		res += "("
+		for v, k := range c.SetOptions {
+			if k > 0 {
+				res += fmt.Sprintf(",'%v'", v)
+			} else {
+				res += fmt.Sprintf("'%v'", v)
+			}
+		}
+		res += ")"
 	default:
 		res = t
 	}
@@ -145,6 +156,7 @@ func (db *mysql) GetColumns(tableName string) ([]string, map[string]*core.Column
 		if err != nil {
 			return nil, nil, err
 		}
+		//fmt.Println(columnName, isNullable, colType, colKey, extra, colDefault)
 		col.Name = strings.Trim(columnName, "` ")
 		if "YES" == isNullable {
 			col.Nullable = true
@@ -171,6 +183,14 @@ func (db *mysql) GetColumns(tableName string) ([]string, map[string]*core.Column
 					v = strings.Trim(v, "'")
 					col.EnumOptions[v] = k
 				}
+			} else if colType == core.Set && cts[1][0] == '\'' {
+				options := strings.Split(cts[1][0:idx], ",")
+				col.SetOptions = make(map[string]int)
+				for k, v := range options {
+					v = strings.TrimSpace(v)
+					v = strings.Trim(v, "'")
+					col.SetOptions[v] = k
+				}
 			} else {
 				lens := strings.Split(cts[1][0:idx], ",")
 				len1, err = strconv.Atoi(strings.TrimSpace(lens[0]))
@@ -185,6 +205,9 @@ func (db *mysql) GetColumns(tableName string) ([]string, map[string]*core.Column
 				}
 			}
 		}
+		if colType == "FLOAT UNSIGNED" {
+			colType = "FLOAT"
+		}
 		col.Length = len1
 		col.Length2 = len2
 		if _, ok := core.SqlTypes[colType]; ok {
diff --git a/statement.go b/statement.go
index 9286250d..74daf9fb 100644
--- a/statement.go
+++ b/statement.go
@@ -1037,6 +1037,7 @@ func (statement *Statement) genCountSql(bean interface{}) (string, []interface{}
 	if statement.Engine.Dialect().DBType() == "ql" {
 		id = ""
 	}
+	statement.attachInSql()
 	return statement.genSelectSql(fmt.Sprintf("count(%v) AS %v", id, statement.Engine.Quote("total"))), append(statement.Params, statement.BeanArgs...)
 }