diff --git a/business/util/Contain.go b/business/util/Contain.go
new file mode 100644
index 000000000..9966db076
--- /dev/null
+++ b/business/util/Contain.go
@@ -0,0 +1,15 @@
+package util
+
+import (
+	"errors"
+)
+
+// 判断obj是否在target中，target支持的类型arrary,slice
+func ContainForInt64Arry(obj int64, target []int64) (bool, error) {
+	for _, value := range target {
+		if value == obj {
+			return true, nil
+		}
+	}
+	return false, errors.New("not in array")
+}