feat：兼容Sqlite3，去除Find_in_set函数，将数据拆分读取

config/system.go

@@ -1,6 +1,10 @@
 package config
 
-var SystemConfig = map[string]interface{}{}
+var (
+	// SystemConfig 系统配置
+	SystemConfig    = make(map[string]interface{}, 0)
+	SystemBreakdown = make(map[uint64]string, 0)
+)
 
 //png,jpg,csv,xls,xlsx,pcm,wav,amr,mp3,mp4,json