diff --git a/src/common/tools/RandStr.go b/src/common/tools/RandStr.go
index 9164f654370605186e73cf6dbc0a01686d2eb508..db3ba452bd4439ec3ccb5e639ba346cb656bda4c 100644
--- a/src/common/tools/RandStr.go
+++ b/src/common/tools/RandStr.go
@@ -9,8 +9,10 @@ var CHARS = []string{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l",
 	"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
 	"1", "2", "3", "4", "5", "6", "7", "8", "9", "0"}
 
-/*RandAllString  生成随机字符串([a~zA~Z0~9])
-  lenNum 长度
+/*
+RandAllString  生成随机字符串([a~zA~Z0~9])
+
+	lenNum 长度
 */
 func RandAllString(lenNum int) string {
 	str := strings.Builder{}
@@ -22,8 +24,10 @@ func RandAllString(lenNum int) string {
 	return str.String()
 }
 
-/*RandNumString  生成随机数字字符串([0~9])
-  lenNum 长度
+/*
+RandNumString  生成随机数字字符串([0~9])
+
+	lenNum 长度
 */
 func RandNumString(lenNum int) string {
 	str := strings.Builder{}
@@ -34,8 +38,10 @@ func RandNumString(lenNum int) string {
 	return str.String()
 }
 
-/*RandString  生成随机字符串(a~zA~Z])
-  lenNum 长度
+/*
+RandString  生成随机字符串(a~zA~Z])
+
+	lenNum 长度
 */
 func RandString(lenNum int) string {
 	str := strings.Builder{}
diff --git a/src/service/prometheusrule.go b/src/service/prometheusrule.go
index 7123b24cd756c88bafd0bf5589920b50976a02c5..1f06dd9543717f0ce29a521725fd0363d0252b93 100644
--- a/src/service/prometheusrule.go
+++ b/src/service/prometheusrule.go
@@ -74,7 +74,7 @@ func (p *PrometheusRuleSvc) Create(data response.AlertRulesItem) (err error) {
 		case 1:
 			expr = fmt.Sprintf("%s <= %s", cast.ToString(v.ThresholdsMin), data.Expr)
 		case 2:
-			expr = fmt.Sprintf("%s <=%s", data.Expr, cast.ToString(v.ThresholdsMax))
+			expr = fmt.Sprintf("%s <= %s", data.Expr, cast.ToString(v.ThresholdsMax))
 		case 3:
 			expr = fmt.Sprintf("%s <= %s <=%s", cast.ToString(v.ThresholdsMin), data.Expr, cast.ToString(v.ThresholdsMax))
 		}