优化ENV

.env.example

@@ -1,10 +1,9 @@
-HOST=0.0.0.0
-PORT=3051
-REFRESH_INTERVAL=5000
+# PromdataPanel Environment Configuration
+# Note: Database and Cache settings will be automatically configured upon visiting /init.html
 
-# Valkey/Redis Cache Configuration
-VALKEY_HOST=localhost
-VALKEY_PORT=6379
-VALKEY_PASSWORD=
-VALKEY_DB=dashboard
-VALKEY_TTL=30
+# Server Binding
+HOST=0.0.0.0
+PORT=3000
+
+# Aggregation interval in milliseconds (default 5s)
+REFRESH_INTERVAL=5000