diff --git a/db/hotimedb.go b/db/hotimedb.go
index fa86736..b004d89 100644
--- a/db/hotimedb.go
+++ b/db/hotimedb.go
@@ -81,7 +81,7 @@ func (that *HotimeDBBuilder) Update(qu ...interface{}) int64 {
 	}
 	if lth > 1 {
 		for k := 1; k < lth; k++ {
-			data[ObjToStr(k-1)] = qu[k]
+			data[ObjToStr(qu[k-1])] = qu[k]
 			k++
 		}
 	}
@@ -126,7 +126,7 @@ func (that *HotimeDBBuilder) Join(qu ...interface{}) *HotimeDBBuilder {
 	}
 	if lth > 1 {
 		for k := 1; k < lth; k++ {
-			data[ObjToStr(k-1)] = qu[k]
+			data[ObjToStr(qu[k-1])] = qu[k]
 			k++
 		}
 	}
@@ -155,7 +155,7 @@ func (that *HotimeDBBuilder) And(qu ...interface{}) *HotimeDBBuilder {
 	if lth > 1 {
 		where = Map{}
 		for k := 1; k < lth; k++ {
-			where[ObjToStr(k-1)] = qu[k]
+			where[ObjToStr(qu[k-1])] = qu[k]
 			k++
 		}
 	}
@@ -187,7 +187,7 @@ func (that *HotimeDBBuilder) Or(qu ...interface{}) *HotimeDBBuilder {
 	if lth > 1 {
 		where = Map{}
 		for k := 1; k < lth; k++ {
-			where[ObjToStr(k-1)] = qu[k]
+			where[ObjToStr(qu[k-1])] = qu[k]
 			k++
 		}
 	}
@@ -218,7 +218,7 @@ func (that *HotimeDBBuilder) Where(qu ...interface{}) *HotimeDBBuilder {
 	if lth > 1 {
 		where = Map{}
 		for k := 1; k < lth; k++ {
-			where[ObjToStr(k-1)] = qu[k]
+			where[ObjToStr(qu[k-1])] = qu[k]
 			k++
 		}
 	}
@@ -703,9 +703,9 @@ func (that *HoTimeDB) Select(table string, qu ...interface{}) []Map {
 		}
 
 		if reflect.ValueOf(qu[0]).Type().String() == "common.Slice" {
-
-			for key, _ := range testQuData {
-				v := testQuData.GetMap(key)
+			qu0 := ObjToSlice(qu[0])
+			for key, _ := range qu0 {
+				v := qu0.GetMap(key)
 				for k1, v1 := range v {
 					testQu = append(testQu, k1)
 					testQuData[k1] = v1