diff --git a/resource/static/theme-hotaru/css/core.css b/resource/static/theme-hotaru/css/core.css
index c5f0214..21e9086 100644
--- a/resource/static/theme-hotaru/css/core.css
+++ b/resource/static/theme-hotaru/css/core.css
@@ -1,5 +1,3 @@
-/*! Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css */
-
 @media print {
     *, *:before, *:after {
         color: #000 !important;
diff --git a/resource/static/theme-hotaru/css/main.css b/resource/static/theme-hotaru/css/main.css
index a74ae53..8f7459b 100644
--- a/resource/static/theme-hotaru/css/main.css
+++ b/resource/static/theme-hotaru/css/main.css
@@ -170,6 +170,7 @@ h1 {
 
 .ui.progress .bar {
     line-height: unset !important;
+    height: unset !important;
 }
 
 table tr {
diff --git a/resource/template/common/footer.html b/resource/template/common/footer.html
index a395dd7..60f9ffb 100644
--- a/resource/template/common/footer.html
+++ b/resource/template/common/footer.html
@@ -9,7 +9,7 @@
 <script src="https://cdn.jsdelivr.net/npm/semantic-ui@2.4.1/dist/semantic.min.js"></script>
 <script src="/static/semantic-ui-alerts.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue"></script>
-<script src="/static/main.js?v202012091024"></script>
+<script src="/static/main.js?v202012202118"></script>
 </body>
 
 </html>
diff --git a/resource/template/theme-default/home.html b/resource/template/theme-default/home.html
index 2354788..8f0c36c 100644
--- a/resource/template/theme-default/home.html
+++ b/resource/template/theme-default/home.html
@@ -126,7 +126,7 @@
                         this.cache[percent].style['background-color'] = 'slategray'
                         this.cache[percent].class.offline = true
                     } else if (percent < 51) {
-                        this.cache[percent].style['background-color'] = 'lime'
+                        this.cache[percent].style['background-color'] = 'rgb(0, 235, 139)'
                         this.cache[percent].class.fine = true
                     } else if (percent < 81) {
                         this.cache[percent].style['background-color'] = 'orange'
diff --git a/resource/template/theme-hotaru/home.html b/resource/template/theme-hotaru/home.html
index 4b4d0b4..73cf890 100644
--- a/resource/template/theme-hotaru/home.html
+++ b/resource/template/theme-hotaru/home.html
@@ -17,7 +17,7 @@
     <link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/semantic-ui@2.4.2/dist/semantic.min.css">
     <link rel="stylesheet" type="text/css" href="/static/semantic-ui-alerts.min.css">
     <link rel="stylesheet" href="/static/theme-hotaru/css/core.css?v202012121912" type="text/css">
-    <link rel="stylesheet" href="/static/theme-hotaru/css/main.css?v202012121912" type="text/css">
+    <link rel="stylesheet" href="/static/theme-hotaru/css/main.css?v202012202117" type="text/css">
     <link rel="stylesheet" href="/static/theme-hotaru/css/darkmode.css?v202012121912" type="text/css">
     {{if ts .CustomCSS}}
     {{tag "style"}}
@@ -177,7 +177,7 @@
                             this.cache[percent].style['background-color'] = 'slategray'
                             this.cache[percent].class.offline = true
                         } else if (percent < 51) {
-                            this.cache[percent].style['background-color'] = 'lime'
+                            this.cache[percent].style['background-color'] = 'rgb(0, 235, 139)'
                             this.cache[percent].class.fine = true
                         } else if (percent < 81) {
                             this.cache[percent].style['background-color'] = 'orange'
diff --git a/service/alertmanager/alertmanager.go b/service/alertmanager/alertmanager.go
index 2a8299b..fd603a7 100644
--- a/service/alertmanager/alertmanager.go
+++ b/service/alertmanager/alertmanager.go
@@ -113,14 +113,18 @@ func checkStatus() {
 				var flag bool
 				if cacheN, has := dao.Cache.Get(nID); has {
 					nHistory := cacheN.(NotificationHistory)
-					// 超过一天或者超过上次提醒阈值
-					if time.Now().After(nHistory.Until) || nHistory.Duration >= time.Hour*24 {
+					// 每次提醒都增加一倍等待时间，最后每天最多提醒一次
+					if time.Now().After(nHistory.Until) {
 						flag = true
 						nHistory.Duration *= 2
+						if nHistory.Duration > time.Hour*24 {
+							nHistory.Duration = time.Hour * 24
+						}
 						nHistory.Until = time.Now().Add(nHistory.Duration)
+						dao.Cache.Set(nID, nHistory, nHistory.Duration)
 					}
 				} else {
-					// 新提醒
+					// 新提醒直接通知
 					flag = true
 					dao.Cache.Set(nID, NotificationHistory{
 						Duration: firstNotificationDelay,