diff --git a/backend/internal/router/app/app_crypto_helper.go b/backend/internal/router/app/app_crypto_helper.go
index 96a1e96..d0f12dc 100644
--- a/backend/internal/router/app/app_crypto_helper.go
+++ b/backend/internal/router/app/app_crypto_helper.go
@@ -1,7 +1,6 @@
 package app
 
 import (
-	"fmt"
 	"verification-platform-backend/internal/database"
 	"verification-platform-backend/internal/model"
 	"verification-platform-backend/pkg/crypto"
@@ -11,25 +10,26 @@ import (
 
 func AppCryptoMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
-		fmt.Printf("[AppCrypto] Middleware called\n")
 		appKey := c.Param("appKey")
-		fmt.Printf("[AppCrypto] AppKey from param: %s\n", appKey)
 
 		if appKey == "" {
-			fmt.Printf("[AppCrypto] AppKey is empty, skipping\n")
 			c.Next()
 			return
 		}
 
+		if database.DB == nil {
+			c.JSON(500, gin.H{"code": 500, "message": "数据库未初始化"})
+			c.Abort()
+			return
+		}
+
 		var app model.Application
 		if err := database.DB.Where("app_key = ?", appKey).First(&app).Error; err != nil {
-			fmt.Printf("[AppCrypto] Database error: %v\n", err)
-			c.Next()
+			c.JSON(404, gin.H{"code": 404, "message": "应用不存在"})
+			c.Abort()
 			return
 		}
 
-		fmt.Printf("[AppCrypto] App found: %+v\n", app)
-
 		var encryptType crypto.EncryptType
 		switch app.EncryptType {
 		case "aes":
@@ -42,11 +42,9 @@ func AppCryptoMiddleware() gin.HandlerFunc {
 
 		shouldEncrypt := encryptType != crypto.EncryptTypeNone
 
-		fmt.Printf("[AppCrypto] AppKey: %s, EncryptType: %s, EncryptKey: %s, ShouldEncrypt: %v\n",
-			appKey, app.EncryptType, app.EncryptKey, shouldEncrypt)
-
 		c.Set("should_encrypt_response", shouldEncrypt)
 		c.Set("crypto_manager", crypto.NewCryptoManager(encryptType, app.EncryptKey))
+		c.Set("app", &app)
 
 		c.Next()
 	}
diff --git a/backend/internal/router/install/install.go b/backend/internal/router/install/install.go
index 97976f6..28899fb 100644
--- a/backend/internal/router/install/install.go
+++ b/backend/internal/router/install/install.go
@@ -16,6 +16,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"github.com/glebarez/sqlite"
+	"github.com/spf13/viper"
 	"golang.org/x/crypto/bcrypt"
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
@@ -232,6 +233,16 @@ func handleSetup(c *gin.Context) {
 		log.Printf("Warning: failed to save config file: %v", err)
 	}
 
+	viper.Set("app.jwt_secret", jwtSecret)
+	viper.Set("database.type", req.DbType)
+	if req.DbType == "mysql" {
+		viper.Set("database.host", req.DbHost)
+		viper.Set("database.port", req.DbPort)
+		viper.Set("database.name", req.DbName)
+		viper.Set("database.username", req.DbUsername)
+		viper.Set("database.password", req.DbPassword)
+	}
+
 	database.DB = newDB
 
 	response.Success(c, gin.H{
diff --git a/frontend/src/pages/admin/index.vue b/frontend/src/pages/admin/index.vue
index 83208dd..9c855c5 100644
--- a/frontend/src/pages/admin/index.vue
+++ b/frontend/src/pages/admin/index.vue
@@ -703,10 +703,16 @@ function initActivityChart() {
 onMounted(async () => {
   fetchCurrentUser()
   await fetchDashboard()
-  await nextTick()
+})
 
-  initMapChart()
-  initActivityChart()
+watch(loading, async (newVal) => {
+  if (!newVal) {
+    await nextTick()
+    setTimeout(() => {
+      initMapChart()
+      initActivityChart()
+    }, 100)
+  }
 })
 
 watch(isDark, () => {