diff --git a/cert/cert.go b/cert/cert.go
new file mode 100644
index 00000000..3ecffc3a
--- /dev/null
+++ b/cert/cert.go
@@ -0,0 +1,35 @@
+package cert
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/yaoapp/gou/ssl"
+	"github.com/yaoapp/kun/log"
+	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/share"
+)
+
+// Load 加载API
+func Load(cfg config.Config) error {
+	var root = filepath.Join(cfg.Root, "certs")
+	return LoadFrom(root, "")
+}
+
+// LoadFrom 从特定目录加载
+func LoadFrom(dir string, prefix string) error {
+
+	if share.DirNotExists(dir) {
+		return fmt.Errorf("%s does not exists", dir)
+	}
+
+	err := share.Walk(dir, ".pem", func(root, filename string) {
+		name := prefix + share.SpecName(root, filename)
+		_, err := ssl.LoadCertificateFrom(filename, name)
+		if err != nil {
+			log.With(log.F{"root": root, "file": filename}).Error(err.Error())
+		}
+	})
+
+	return err
+}
diff --git a/cert/cert_test.go b/cert/cert_test.go
new file mode 100644
index 00000000..34cbdf23
--- /dev/null
+++ b/cert/cert_test.go
@@ -0,0 +1,46 @@
+package cert
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/gou/ssl"
+	"github.com/yaoapp/yao/config"
+)
+
+func TestLoad(t *testing.T) {
+	Load(config.Conf)
+	LoadFrom("not a path", "404.")
+	check(t)
+}
+
+func TestProcessSign(t *testing.T) {
+	Load(config.Conf)
+	args := []interface{}{"hello world", "private", "SHA256"}
+	signature, err := gou.NewProcess("ssl.Sign", args...).Exec()
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, "EDHf3C9TXEk7y8LzIk5czLefXZyGxcMDVMcbNuBBegDkTqnPsRQnhFtNOgCdox8lI3MzLatwjoljoMY4Qk+sHGd5mAHMpiREa1gRFSVYpA2xvXZ3+KsfOHAdICQrfUdy59QaJGo6iGPNGG8PQOXHPTVNn6LMfryat9+f4l21DPAZiT0RyCUgFZE3/Qv8Z/6J4AsIXMSKZD6BGPPHUxGe7UBrXZvcR5dX25EiNjuH2OO38YJnDiTRVw14UI5fk/mQrwRdezj5tSKFCyHt912BZExXtkHISiYFNTZ/2RhOup5Xx6o3GvrEOdshrnN80Lwu1Aaju+lnZp13hDz4P6hU7w==", signature)
+}
+
+func TestProcessVerify(t *testing.T) {
+	Load(config.Conf)
+	signature := "EDHf3C9TXEk7y8LzIk5czLefXZyGxcMDVMcbNuBBegDkTqnPsRQnhFtNOgCdox8lI3MzLatwjoljoMY4Qk+sHGd5mAHMpiREa1gRFSVYpA2xvXZ3+KsfOHAdICQrfUdy59QaJGo6iGPNGG8PQOXHPTVNn6LMfryat9+f4l21DPAZiT0RyCUgFZE3/Qv8Z/6J4AsIXMSKZD6BGPPHUxGe7UBrXZvcR5dX25EiNjuH2OO38YJnDiTRVw14UI5fk/mQrwRdezj5tSKFCyHt912BZExXtkHISiYFNTZ/2RhOup5Xx6o3GvrEOdshrnN80Lwu1Aaju+lnZp13hDz4P6hU7w=="
+	args := []interface{}{"hello world", signature, "cert", "SHA256"}
+	res, err := gou.NewProcess("ssl.Verify", args...).Exec()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	assert.True(t, res.(bool))
+}
+
+func check(t *testing.T) {
+	keys := []string{}
+	for key := range ssl.Certificates {
+		keys = append(keys, key)
+	}
+	assert.Equal(t, 3, len(keys))
+}
diff --git a/engine/load.go b/engine/load.go
index 0521f5f0..a51907c0 100644
--- a/engine/load.go
+++ b/engine/load.go
@@ -10,6 +10,7 @@ import (
 	"github.com/yaoapp/kun/log"
 	"github.com/yaoapp/yao/api"
 	"github.com/yaoapp/yao/app"
+	"github.com/yaoapp/yao/cert"
 	"github.com/yaoapp/yao/chart"
 	"github.com/yaoapp/yao/config"
 	"github.com/yaoapp/yao/flow"
@@ -38,6 +39,12 @@ func Load(cfg config.Config) (err error) {
 	gou.LoadCrypt(fmt.Sprintf(`{"key":"%s"}`, cfg.DB.AESKey), "AES")
 	gou.LoadCrypt(`{}`, "PASSWORD")
 
+	// Load Certs
+	err = cert.Load(cfg)
+	if err != nil {
+		log.Debug(err.Error())
+	}
+
 	// 第二步: 建立数据库 & 会话连接
 	share.DBConnect(cfg.DB) // 创建数据库连接
 	// share.SessionConnect(cfg.Session) // 创建会话服务器链接
diff --git a/tests/certs/cert.pem b/tests/certs/cert.pem
new file mode 100644
index 00000000..18ae9586
--- /dev/null
+++ b/tests/certs/cert.pem
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/certs/private.pem b/tests/certs/private.pem
new file mode 100644
index 00000000..ae8df512
--- /dev/null
+++ b/tests/certs/private.pem
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/tests/certs/public.pem b/tests/certs/public.pem
new file mode 100644
index 00000000..10edc968
--- /dev/null
+++ b/tests/certs/public.pem
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqi8Bd/OcdcNLprGKVG+i
+30pf41LZ8tk+Ia1QAH8ynDw2Mik/4MCSiQJubzzy4bKoySw9u3kVTX86gmDjiTyC
+uQ/mACYoBG+/5/rPej+5tG8y2ZWt8P9hmUamW/JuPMTkCB5v41QwuOUN6v83RVMI
+AbazicQQUrO+Xi0YY9OAgj43aqGXK9EXaMs0hirxojRjDY31hLHU5xmDnBjVGtFD
+rCKZPoEvkFw+hDJYpTPBlkAPnA8OjsJOcnQ9G5jwIgw/pkJ+MKgqq7kbg84hXv3K
+lpWO3rRE0+TsdQ/Hoi00xkZ4/KdExK6P3meD3CbFYR/7fcjry4M3t6YGj222Onp0
+0wIDAQAB
+-----END PUBLIC KEY-----