diff --git a/g/container/garray/garray_sorted_int.go b/g/container/garray/garray_sorted_int.go
index 9288a0702..f2fd289e7 100644
--- a/g/container/garray/garray_sorted_int.go
+++ b/g/container/garray/garray_sorted_int.go
@@ -286,11 +286,17 @@ func (a *SortedIntArray) Contains(value int) bool {
 // Search searches array by <value>, returns the index of <value>,
 // or returns -1 if not exists.
 func (a *SortedIntArray) Search(value int) (index int) {
-    index, _ = a.binSearch(value, true)
-    return
+    if i, r := a.binSearch(value, true); r == 0 {
+    	return i
+    }
+    return -1
 }
 
 // Binary search.
+// It returns the last compared index and the result.
+// If <result> equals to 0, it means the value at <index> is equals to <value>.
+// If <result> lesser than 0, it means the value at <index> is lesser than <value>.
+// If <result> greater than 0, it means the value at <index> is greater than <value>.
 func (a *SortedIntArray) binSearch(value int, lock bool) (index int, result int) {
     if len(a.array) == 0 {
         return -1, -2
diff --git a/g/container/garray/garray_sorted_interface.go b/g/container/garray/garray_sorted_interface.go
index c392fc468..25d0a7f17 100644
--- a/g/container/garray/garray_sorted_interface.go
+++ b/g/container/garray/garray_sorted_interface.go
@@ -287,11 +287,17 @@ func (a *SortedArray) Contains(value interface{}) bool {
 // Search searches array by <value>, returns the index of <value>,
 // or returns -1 if not exists.
 func (a *SortedArray) Search(value interface{}) (index int) {
-    index, _ = a.binSearch(value, true)
-    return
+	if i, r := a.binSearch(value, true); r == 0 {
+		return i
+	}
+	return -1
 }
 
 // Binary search.
+// It returns the last compared index and the result.
+// If <result> equals to 0, it means the value at <index> is equals to <value>.
+// If <result> lesser than 0, it means the value at <index> is lesser than <value>.
+// If <result> greater than 0, it means the value at <index> is greater than <value>.
 func (a *SortedArray) binSearch(value interface{}, lock bool)(index int, result int) {
     if len(a.array) == 0 {
         return -1, -2
diff --git a/g/container/garray/garray_sorted_string.go b/g/container/garray/garray_sorted_string.go
index 28e7a2fa0..1fa4fe6ec 100644
--- a/g/container/garray/garray_sorted_string.go
+++ b/g/container/garray/garray_sorted_string.go
@@ -281,11 +281,17 @@ func (a *SortedStringArray) Contains(value string) bool {
 // Search searches array by <value>, returns the index of <value>,
 // or returns -1 if not exists.
 func (a *SortedStringArray) Search(value string) (index int) {
-    index, _ = a.binSearch(value, true)
-    return
+	if i, r := a.binSearch(value, true); r == 0 {
+		return i
+	}
+	return -1
 }
 
 // Binary search.
+// It returns the last compared index and the result.
+// If <result> equals to 0, it means the value at <index> is equals to <value>.
+// If <result> lesser than 0, it means the value at <index> is lesser than <value>.
+// If <result> greater than 0, it means the value at <index> is greater than <value>.
 func (a *SortedStringArray) binSearch(value string, lock bool) (index int, result int) {
     if len(a.array) == 0 {
         return -1, -2
diff --git a/geg/other/test.go b/geg/other/test.go
index 9f3000841..c2217cd37 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -1,11 +1,12 @@
 package main
 
 import (
-	"fmt"
-	"github.com/gogf/gf/g/os/gtime"
+	"github.com/gogf/gf/g/container/garray"
+	"github.com/gogf/gf/g/test/gtest"
 )
 
 func main() {
-	fmt.Println(gtime.Now().Format("U"))
-	fmt.Println(gtime.Second())
+	a2 := []int{1}
+	array2 := garray.NewSortedIntArrayFrom(a2)
+	gtest.Assert(array2.Search(2),-1)
 }
\ No newline at end of file