diff --git a/map.go b/map.go
index 91434b9..6343157 100644
--- a/map.go
+++ b/map.go
@@ -119,3 +119,29 @@ func HttpBuildQuery(data map[string]string) string {
 
 	return strings.Trim(query, "&")
 }
+
+/**
+ * 对map进行拼接
+ * @param data map[string]string
+ * @2021/10/14
+ * @wyy
+ */
+func HttpBuildStringQuery(data map[string]string) string {
+
+	keySlice := []string{}
+
+	for k, _ := range data {
+		keySlice = append(keySlice, k)
+	}
+	// sort.Strings(keySlice) //排序字符串
+
+	var query string
+
+	for _, value := range keySlice {
+		if value != "" && data[value] != "" {
+			query += StringJoin(value, "=", data[value], "&")
+		}
+	}
+
+	return strings.Trim(query, "&")
+}
diff --git a/string.go b/string.go
index 49da990..b674a23 100755
--- a/string.go
+++ b/string.go
@@ -203,6 +203,26 @@ func IsInStringArray(arr []string, str string) bool {
 	return isIn
 }
 
+/**
+ * 字符串在字符切片中对应索引
+ */
+func InStringArrayIndex(arr []string, str string) int {
+	// var isIn bool = false
+	length := len(arr)
+	if length < 1 {
+		return -1
+	}
+	var index int = -1
+	for k, item := range arr {
+		if item == str {
+			// isIn = true
+			index = k
+			break
+		}
+	}
+	return index
+}
+
 /*
  * 删除多余空格
  * 2019/05/05