diff --git a/g/container/glist/glist.go b/g/container/glist/glist.go
index cef9b7c01..fa0361702 100644
--- a/g/container/glist/glist.go
+++ b/g/container/glist/glist.go
@@ -209,7 +209,7 @@ func (l *List) Len() (length int) {
 	return
 }
 
-// Alias of Len.
+// Size is alias of Len.
 func (l *List) Size() int {
 	return l.Len()
 }
diff --git a/g/container/gqueue/gqueue.go b/g/container/gqueue/gqueue.go
index 9ec7b12c7..eb4b2a340 100644
--- a/g/container/gqueue/gqueue.go
+++ b/g/container/gqueue/gqueue.go
@@ -110,9 +110,16 @@ func (q *Queue) Close() {
     close(q.closed)
 }
 
-// Size returns the length of the queue.
-func (q *Queue) Size() int {
-    return len(q.C) + q.list.Len()
+// Len returns the length of the queue.
+func (q *Queue) Len() (length int) {
+	if q.list != nil {
+		length += q.list.Len()
+	}
+	length += len(q.C)
+    return
 }
 
-
+// Size is alias of Len.
+func (q *Queue) Size() int {
+	return q.Len()
+}
diff --git a/geg/other/test.go b/geg/other/test.go
index 57f880c51..49c122b37 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -1,33 +1,14 @@
 package main
 
 import (
-	"fmt"
-	"github.com/gogf/gf/g/container/gtree"
-	"github.com/gogf/gf/g/util/gutil"
+	"github.com/gogf/gf/g/container/gqueue"
+	"github.com/gogf/gf/g/test/gtest"
 )
 
 func main() {
-	expect := map[interface{}]interface{}{
-		20: "val20",
-		6:  "val6",
-		10: "val10",
-		12: "val12",
-		1:  "val1",
-		15: "val15",
-		19: "val19",
-		8:  "val8",
-		4:  "val4"}
-	m := gtree.NewAVLTreeFrom(gutil.ComparatorInt, expect)
-	m.Print()
-
-	//m := avltree.NewWithIntComparator()
-	//m.Remove()
-	fmt.Println(1, m.Remove(1))// 应该输出val1，但输出nil
-	fmt.Println(2, m.Remove(1))
-	fmt.Println(3, m.Get(1))
-
-	fmt.Println(4, m.Remove(20))// 应该输出val20，但输出nil
-	fmt.Println(5, m.Remove(20))
-	fmt.Println(6, m.Get(20))
+	q1 := gqueue.New(2)
+	q1.Push(1)
+	q1.Push(2)
+	gtest.Assert(q1.Size(),2)
 }