增加单元测试，统一初始化方法

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/lionsoul2014/ip2region/binding/golang v0.0.0-20241220152942-06eb5c6e8230
 	github.com/minio/minio-go/v7 v7.0.85
 	github.com/prometheus/client_golang v1.21.1
+	github.com/stretchr/testify v1.10.0
 	github.com/xuri/excelize/v2 v2.9.0
 	golang.org/x/oauth2 v0.24.0
 	google.golang.org/api v0.44.0
@@ -31,6 +32,7 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/clbanning/mxj/v2 v2.7.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/elastic/elastic-transport-go/v8 v8.6.1 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
@@ -60,6 +62,7 @@ require (
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pelletier/go-toml v1.9.3 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.62.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect