diff --git a/README.md b/README.md
index 61bf81f..94e2521 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <div align="center" style="background-color: white">
   <img width="500" style="max-width:100%" src="https://raw.githubusercontent.com/naiba/nezha/master/resource/static/brand.png" title="哪吒监控">
   <br><br>
-<img src="https://img.shields.io/github/workflow/status/naiba/nezha/Dashboard%20image?label=Dash%20v0.7.3&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/workflow/status/naiba/nezha/Agent%20release?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.6.1-brightgreen?style=for-the-badge&logo=linux">
+<img src="https://img.shields.io/github/workflow/status/naiba/nezha/Dashboard%20image?label=Dash%20v0.7.4&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/workflow/status/naiba/nezha/Agent%20release?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.6.1-brightgreen?style=for-the-badge&logo=linux">
   <br>
   <p>:trollface: 哪吒监控 一站式轻监控轻运维系统。支持系统状态、HTTP(SSL 证书变更、即将到期、到期)、TCP、Ping 监控报警，命令批量执行和计划任务。</p>	
 </div>
diff --git a/service/dao/dao.go b/service/dao/dao.go
index e9d1ffd..16249e4 100644
--- a/service/dao/dao.go
+++ b/service/dao/dao.go
@@ -13,7 +13,7 @@ import (
 	pb "github.com/naiba/nezha/proto"
 )
 
-var Version = "v0.7.3" // ！！记得修改 README 中的 badge 版本！！
+var Version = "v0.7.4" // ！！记得修改 README 中的 badge 版本！！
 
 const (
 	SnapshotDelay = 3
diff --git a/service/dao/servicesentinel.go b/service/dao/servicesentinel.go
index 34fd0cd..7d4a39b 100644
--- a/service/dao/servicesentinel.go
+++ b/service/dao/servicesentinel.go
@@ -318,6 +318,7 @@ func (ss *ServiceSentinel) worker() {
 					expiresOld, _ = time.Parse("2006-01-02 15:04:05 -0700 MST", oldCert[1])
 				}
 				if oldCert[0] != newCert[0] && !expiresNew.Equal(expiresOld) {
+					ss.sslCertCache[mh.MonitorID] = mh.Data
 					errMsg = fmt.Sprintf(
 						"SSL证书变更，旧：%s, %s 过期；新：%s, %s 过期。",
 						oldCert[0], expiresOld.Format("2006-01-02 15:04:05"), newCert[0], expiresNew.Format("2006-01-02 15:04:05"))