diff --git a/Benchmark.md b/Benchmark.md
index 6fadee1..a952c9d 100644
--- a/Benchmark.md
+++ b/Benchmark.md
@@ -40,29 +40,23 @@ Requests/sec: 117876.05
 Transfer/sec:     15.40MB
 ```
 
-## Nginx --> Nginx
+
+## Pingap --> Nginx
 
 ```bash
-wrk 'http://127.0.0.1:6200/ping' --latency
+wrk 'http://127.0.0.1:6101/ping' --latency
 
-Running 10s test @ http://127.0.0.1:6200/ping
+Running 10s test @ http://127.0.0.1:6101/ping
   2 threads and 10 connections
   Thread Stats   Avg      Stdev     Max   +/- Stdev
-    Latency   287.76us    2.00ms  43.08ms   98.30%
-    Req/Sec    64.58k     4.49k   79.88k    87.13%
+    Latency   221.18us  394.85us  13.41ms   99.53%
+    Req/Sec    24.98k     0.90k   26.78k    89.60%
   Latency Distribution
-     50%   73.00us
-     75%   81.00us
-     90%   88.00us
-     99%    8.16ms
-  1298148 requests in 10.10s, 185.70MB read
-Requests/sec: 128518.38
-Transfer/sec:     18.38MB
-```
-
-
-## Pingap --> Nginx
-
-```bash
-wrk 'http://127.0.0.1:6101/ping' --latency
+     50%  212.00us
+     75%  226.00us
+     90%  240.00us
+     99%  305.00us
+  502003 requests in 10.10s, 71.81MB read
+Requests/sec:  49706.13
+Transfer/sec:      7.11MB
 ```
diff --git a/benches/nginx.conf b/benches/nginx.conf
index 150b3ac..9c609be 100644
--- a/benches/nginx.conf
+++ b/benches/nginx.conf
@@ -12,19 +12,20 @@ http {
 
     upstream backend {
         server 127.0.0.1:6200;
-        keepalive 300;
+        keepalive 30;
     }
 
 
     sendfile on;
     keepalive_timeout 65;
-    keepalive_requests 1000000;
+    keepalive_requests 1000;
     server {
         listen 6201;
         #server_name  localhost;
         #access_log /tmp/access.log access;
         location / {
             default_type text/json;
+            proxy_http_version 1.1;
             proxy_pass http://backend;
         }
 
diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index 6f8e7ad..eea123f 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -63,6 +63,7 @@ export default {
     machineMemory: "Machine Memory",
     yes: "Yes",
     no: "No",
+    to: "To",
   },
   basic: {
     name: "Name",
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index ae10130..cf2a5ad 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -63,6 +63,7 @@ export default {
     machineMemory: "机器内存",
     yes: "是",
     no: "否",
+    to: "至",
   },
   basic: {
     name: "名称",
diff --git a/web/src/pages/Certificates.tsx b/web/src/pages/Certificates.tsx
index 2001ca5..2869fa8 100644
--- a/web/src/pages/Certificates.tsx
+++ b/web/src/pages/Certificates.tsx
@@ -61,6 +61,10 @@ export default function Certificates() {
     currentCertificate,
     config.certificates,
   );
+  const countLines = (value: string) => {
+    const count = value.split("\n").length;
+    return Math.min(Math.max(3, count), 8);
+  };
 
   const items: ExFormItem[] = [
     {
@@ -70,6 +74,7 @@ export default function Certificates() {
       defaultValue: certificateConfig.tls_cert,
       span: 6,
       category: ExFormItemCategory.TEXTAREA,
+      rows: countLines(certificateConfig.tls_cert || ""),
     },
     {
       name: "tls_key",
@@ -78,6 +83,7 @@ export default function Certificates() {
       defaultValue: certificateConfig.tls_key,
       span: 6,
       category: ExFormItemCategory.TEXTAREA,
+      rows: countLines(certificateConfig.tls_key || ""),
     },
     {
       name: "tls_chain",
diff --git a/web/src/pages/Home.tsx b/web/src/pages/Home.tsx
index 4a9c63b..cd43746 100644
--- a/web/src/pages/Home.tsx
+++ b/web/src/pages/Home.tsx
@@ -52,7 +52,9 @@ export default function Home() {
         const data = infos[name];
         if (data) {
           results[name] =
-            formatDate(data.not_before) + " : " + formatDate(data.not_after);
+            formatDate(data.not_before) +
+            ` ${homeI18n("to")} ` +
+            formatDate(data.not_after);
         }
       });
       setValidity(results);