diff --git a/.env.development b/.env.development
new file mode 100644
index 0000000..f14e924
--- /dev/null
+++ b/.env.development
@@ -0,0 +1,8 @@
+SERVER_ADDRESS=:8000
+SERVER_DEBUG_MODE=true
+SERVER_FILE_LOGGER=false
+DATABASE_TYPE=postgres
+DATABASE_HOST=127.0.0.1
+DATABASE_NAME=postgres
+DATABASE_USERNAME=postgres
+DATABASE_PASSWORD=postgres
diff --git a/.env.production b/.env.production
new file mode 100644
index 0000000..c5f9a92
--- /dev/null
+++ b/.env.production
@@ -0,0 +1 @@
+TZ=Asia/Shanghai
diff --git a/config/env.go b/config/env.go
index 0c9972b..890a948 100644
--- a/config/env.go
+++ b/config/env.go
@@ -9,32 +9,33 @@ import (
 	"github.com/joho/godotenv"
 )
 
-func GetEnv(Key string) string {
+func GetEnv(key string) string {
 	_ = godotenv.Load()
-	return os.Getenv(Key)
+	upperKey := strings.ToUpper(key)
+	return os.Getenv(upperKey)
 }
 
-func SetEnvConf(ConfKey string, ConfSub string) {
-	var Config = []string{ConfKey, ConfSub}
-	var EnvKey = strings.Join(Config, "_")
-	env := GetEnv(EnvKey)
-	var orig = Get(ConfKey + "." + ConfSub)
+func SetEnvConf(key string, sub string) {
+	envJoin := strings.Join([]string{key, sub}, "_")
+	env := GetEnv(envJoin)
+	confJoin := strings.Join([]string{key, sub}, ".")
+	orig := Get(confJoin)
 	if env != "" {
 		switch orig.(type) {
 		case string:
-			Set(ConfKey, env)
+			Set(confJoin, env)
 		case int:
 			conv, err := strconv.Atoi(env)
 			if err != nil {
 				log.Panic("[Config] Error converting string to int: ", err)
 			}
-			Set(ConfKey, conv)
+			Set(confJoin, conv)
 		case bool:
 			switch env {
 			case "true":
-				Set(ConfKey, true)
+				Set(confJoin, true)
 			case "false":
-				Set(ConfKey, false)
+				Set(confJoin, false)
 			}
 		case []string:
 			trim := strings.TrimSpace(env)
@@ -46,7 +47,7 @@ func SetEnvConf(ConfKey string, ConfSub string) {
 				trimSub = strings.TrimSuffix(trimSub, "\"")
 				envArray = append(envArray, trimSub)
 			}
-			Set(ConfKey, envArray)
+			Set(confJoin, envArray)
 		}
 	}
 }
diff --git a/data/user.go b/data/user.go
index 316b2e5..cff1d2a 100644
--- a/data/user.go
+++ b/data/user.go
@@ -11,6 +11,7 @@ type User struct {
 	Type     string    `json:"type" gorm:"not null"`
 	Subtitle string    `json:"subtitle" gorm:"not null"`
 	Avatar   string    `json:"avatar" gorm:"not null"`
+	Checkin  bool      `json:"checkin" gorm:"not null"`
 }
 
 func (self *User) GetByEmail(email string) error {
diff --git a/devenv.nix b/devenv.nix
index 1aadef3..fd2fb07 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -1,12 +1,56 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 
 {
   env.GREET = "devenv";
+
   packages = [
     pkgs.git
     pkgs.bun
     pkgs.just
   ];
-  languages.go.enable = true;
-  languages.go.version = "1.25.5";
+
+  dotenv = {
+    enable = true;
+    filename = [
+      ".env.production"
+      ".env.development"
+    ];
+  };
+
+  languages.go = {
+    enable = true;
+    version = "1.25.5";
+  };
+
+  services.caddy = {
+    enable = true;
+    dataDir = "${config.env.DEVENV_STATE}/caddy";
+    config = ''
+      {
+          debug
+      }
+      :8080 {
+          root * ${config.env.DEVENV_ROOT}/.outputs/static
+          file_server
+          reverse_proxy /api/v1/* http://127.0.0.1:8000
+      }
+    '';
+  };
+
+  services.redis = {
+    enable = true;
+  };
+
+  services.postgres = {
+    enable = true;
+    createDatabase = true;
+    listen_addresses = "127.0.0.1";
+    initialDatabases = [
+      {
+        name = "postgres";
+        user = "postgres";
+        pass = "postgres";
+      }
+    ];
+  };
 }
diff --git a/main.go b/main.go
index f16e285..2a1cf9f 100644
--- a/main.go
+++ b/main.go
@@ -9,6 +9,7 @@ import (
 
 func main() {
 	config.Init()
+	config.EnvInit()
 	logger.Init()
 	data.Init()
 	server.Start()
diff --git a/server/router.go b/server/router.go
index a2c77c0..236faac 100644
--- a/server/router.go
+++ b/server/router.go
@@ -1,7 +1,13 @@
 package server
 
-import "github.com/gin-gonic/gin"
+import (
+	"nixcn-cms/service/check"
+
+	"github.com/gin-gonic/gin"
+)
 
 func Router(e *gin.Engine) {
-	e.Static("/", "./static")
+	// API Services
+	api := e.Group("/api/v1")
+	check.Handler(api.Group("/check"))
 }
diff --git a/service/check/handler.go b/service/check/handler.go
new file mode 100644
index 0000000..445c9d2
--- /dev/null
+++ b/service/check/handler.go
@@ -0,0 +1,9 @@
+package check
+
+import "github.com/gin-gonic/gin"
+
+func Handler(r *gin.RouterGroup) {
+	r.GET("/test", func(ctx *gin.Context) {
+		ctx.JSON(200, gin.H{"Test": "Test"})
+	})
+}