diff --git a/main.go b/main.go
index ed1f6c0..92c5963 100644
--- a/main.go
+++ b/main.go
@@ -21,21 +21,10 @@ import (
 //go:embed template/* static/*
 var f embed.FS
 
-var jwtKey string
-var aseKey string
-
 func main() {
+	m.InitConfig()
 	m.InitClient()
 
-	jwtKey = os.Getenv("JWT_KEY")
-	aseKey = os.Getenv("ASE_KEY")
-	if jwtKey == "" {
-		panic("No jwt key")
-	}
-	if aseKey == "" {
-		panic("No ase key")
-	}
-
 	r := gin.Default()
 
 	fp, _ := fs.Sub(f, "static")
@@ -76,10 +65,10 @@ func ParseCGToken(token string) (string, error) {
 		return "", err
 	}
 
-	jwtString := AesDecryptECB(aesEncrypt, []byte(aseKey))
+	jwtString := AesDecryptECB(aesEncrypt, []byte(m.GetConfig().AseKey))
 
 	jwtResult, err := jwt.ParseWithClaims(string(jwtString), &CGJWTClaim{}, func(token *jwt.Token) (i interface{}, err error) {
-		return []byte(jwtKey), nil
+		return []byte(m.GetConfig().JwtKey), nil
 		// return hmac.New(sha256.New, []byte(jwtKey)), nil
 	})
 	if err != nil {
diff --git a/src/config.go b/src/config.go
new file mode 100644
index 0000000..bf5fff4
--- /dev/null
+++ b/src/config.go
@@ -0,0 +1,60 @@
+package k8s_manager
+
+import (
+	"fmt"
+	"os"
+	"reflect"
+)
+
+type Config struct {
+	JwtKey     string
+	AseKey     string
+	DBHost     string
+	DBUser     string
+	DBPassword string
+	NFSHost    string
+	NFSPath    string
+}
+
+var config *Config
+
+func getField(v *Config, field string) string {
+	r := reflect.ValueOf(v)
+	f := reflect.Indirect(r).FieldByName(field)
+	return f.String()
+}
+
+func setField(v *Config, field string, value string) {
+	r := reflect.ValueOf(v)
+	f := reflect.Indirect(r).FieldByName(field)
+	f.SetString(value)
+}
+
+func InitConfig() {
+	config = &Config{}
+	config.JwtKey = os.Getenv("JWT_KEY")
+	config.AseKey = os.Getenv("ASE_KEY")
+	config.DBHost = os.Getenv("DB_HOST")
+	config.DBUser = os.Getenv("DB_USER")
+	config.DBPassword = os.Getenv("DB_PASS")
+	config.NFSHost = os.Getenv("NFS_HOST")
+	config.NFSPath = os.Getenv("NFS_PATH")
+
+	mustFields := []string{"JwtKey", "AseKey", "DBHost", "DBUser", "DBPassword"}
+	optionalFields := map[string]string{}
+	for _, f := range mustFields {
+		if getField(config, f) == "" {
+			panic(fmt.Sprintf("field %s must be set.", f))
+		}
+	}
+	for f, v := range optionalFields {
+		if getField(config, f) == "" {
+			setField(config, f, v)
+		}
+	}
+
+}
+
+func GetConfig() *Config {
+	return config
+}
diff --git a/src/k8s_client.go b/src/k8s_client.go
index eea2897..763d284 100644
--- a/src/k8s_client.go
+++ b/src/k8s_client.go
@@ -362,7 +362,7 @@ func (c *K8sClient) CreatePersistentVolume(app *AppModel) {
 			StorageClassName: app.StorageClassName(),
 			PersistentVolumeSource: v1.PersistentVolumeSource{
 				NFS: &v1.NFSVolumeSource{
-					Server:   "192.168.1.1",
+					Server:   "192.168.252.250",
 					Path:     app.NFSPath(),
 					ReadOnly: false,
 				},
diff --git a/src/orm.go b/src/orm.go
index 2f00370..d395699 100644
--- a/src/orm.go
+++ b/src/orm.go
@@ -5,7 +5,6 @@ import (
 	"github.com/sirupsen/logrus"
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
-	"os"
 	"sync"
 )
 
@@ -16,18 +15,9 @@ func opendb() *gorm.DB {
 	if instance == nil {
 		lock.Lock()
 		if instance == nil {
-			db_host, ok := os.LookupEnv("DB_HOST")
-			if !ok {
-				panic("DB_HOST NOT SET")
-			}
-			db_user, ok := os.LookupEnv("DB_USER")
-			if !ok {
-				panic("DB_USER NOT SET")
-			}
-			db_pass, ok := os.LookupEnv("DB_PASS")
-			if !ok {
-				panic("DB_PASS NOT SET")
-			}
+			db_host := GetConfig().DBHost
+			db_user := GetConfig().DBUser
+			db_pass := GetConfig().DBPassword
 			dsn := fmt.Sprintf("%s:%s@tcp(%s:3306)/k8s?charset=utf8mb4&parseTime=True&loc=Local", db_user, db_pass, db_host)
 			var err error
 			instance, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
diff --git a/template/app_view.html b/template/app_view.html
index f85c4d1..1f0ef2e 100644
--- a/template/app_view.html
+++ b/template/app_view.html
@@ -112,7 +112,7 @@
                     <div class="row">
                         <label for="app-ports" class="form-label">端口号</label>
                         <input type="text" id="app-ports" class="form-control" v-model="selectApp.Ports"
-                               placeholder="端口号，多个端口以逗号分隔"/>
+                               placeholder="端口号"/>
                     </div>
 
                     <div class="row">