diff --git a/README.md b/README.md
index 48870ed..134c8ac 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,4 @@
 - [ ] Web 钩子触发更新
 - [ ] 内容缓存
 - [ ] OAuth2 授权访问私有页面
+
diff --git a/config.go b/config.go
index 10955a0..62608ca 100644
--- a/config.go
+++ b/config.go
@@ -5,19 +5,24 @@ import (
 )
 
 type Config struct {
-	Bind   string `yaml:"bind"`   // HTTP 绑定
+	Bind string `yaml:"bind"` // HTTP 绑定
+
 	Domain string `yaml:"domain"` // 基础域名
 
-	Auth ConfigAuth `yaml:"auth"` // Gitea 认证配置
+	Auth ConfigAuth `yaml:"auth"` // 后端认证配置
 
-	Cache string `yaml:"cache"` //
+	Cache ConfigCache `yaml:"cache"` // 缓存配置
 
 	Storage string `yaml:"storage"` // 持久化配置
 }
 
 type ConfigAuth struct {
+	// 后端类型
+	Type string `yaml:"type"`
+	// 服务器地址
 	Server string `yaml:"server"`
-	Token  string `yaml:"token"`
+	// 会话 Id
+	Token string `yaml:"token"`
 }
 
 type ConfigCache struct {
diff --git a/go.mod b/go.mod
index de522c9..5cac566 100644
--- a/go.mod
+++ b/go.mod
@@ -2,12 +2,16 @@ module code.d7z.net/d7z-project/gitea-pages
 
 go 1.23.2
 
+require code.gitea.io/sdk/gitea v0.19.0
+
 require (
-	code.gitea.io/sdk/gitea v0.19.0 // indirect
 	github.com/davidmz/go-pageant v1.0.2 // indirect
 	github.com/go-fed/httpsig v1.1.0 // indirect
 	github.com/hashicorp/go-version v1.6.0 // indirect
-	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
-	golang.org/x/crypto v0.22.0 // indirect
-	golang.org/x/sys v0.19.0 // indirect
+	github.com/ncruces/go-sqlite3 v0.21.3 // indirect
+	github.com/ncruces/julianday v1.0.0 // indirect
+	github.com/stretchr/testify v1.8.1 // indirect
+	github.com/tetratelabs/wazero v1.8.2 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 0ad26c9..c48fa48 100644
--- a/go.sum
+++ b/go.sum
@@ -1,18 +1,35 @@
 code.gitea.io/sdk/gitea v0.19.0 h1:8I6s1s4RHgzxiPHhOQdgim1RWIRcr0LVMbHBjBFXq4Y=
 code.gitea.io/sdk/gitea v0.19.0/go.mod h1:IG9xZJoltDNeDSW0qiF2Vqx5orMWa7OhVWrjvrd5NpI=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davidmz/go-pageant v1.0.2 h1:bPblRCh5jGU+Uptpz6LgMZGD5hJoOt7otgT454WvHn0=
 github.com/davidmz/go-pageant v1.0.2/go.mod h1:P2EDDnMqIwG5Rrp05dTRITj9z2zpGcD9efWSkTNKLIE=
 github.com/go-fed/httpsig v1.1.0 h1:9M+hb0jkEICD8/cAiNqEB66R87tTINszBRTjwjQzWcI=
 github.com/go-fed/httpsig v1.1.0/go.mod h1:RCMrTZvN1bJYtofsG4rd5NaO5obxQ5xBkdiS7xsT7bM=
 github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=
 github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
-github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/ncruces/go-sqlite3 v0.21.3 h1:hHkfNQLcbnxPJZhC/RGw9SwP3bfkv/Y0xUHWsr1CdMQ=
+github.com/ncruces/go-sqlite3 v0.21.3/go.mod h1:zxMOaSG5kFYVFK4xQa0pdwIszqxqJ0W0BxBgwdrNjuA=
+github.com/ncruces/julianday v1.0.0 h1:fH0OKwa7NWvniGQtxdJRxAgkBMolni2BjDHaWTxqt7M=
+github.com/ncruces/julianday v1.0.0/go.mod h1:Dusn2KvZrrovOMJuOt0TNXL6tB7U2E8kvza5fFc9G7g=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/tetratelabs/wazero v1.8.2 h1:yIgLR/b2bN31bjxwXHD8a3d+BogigR952csSDdLYEv4=
+github.com/tetratelabs/wazero v1.8.2/go.mod h1:yAI0XTsMBhREkM/YDAK/zNou3GoiAce1P6+rp/wQhjs=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
 golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -20,7 +37,16 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.19.0 h1:+ThwsDv+tYfnJFhF4L8jITxu1tdTWRTZpdsWgEgjL6Q=
+golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
+golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/pkg/models/page.go b/pkg/models/page.go
new file mode 100644
index 0000000..65ce77a
--- /dev/null
+++ b/pkg/models/page.go
@@ -0,0 +1,10 @@
+package models
+
+type PageConfig struct {
+	// pages 分支
+	Branch string `json:"branch" yaml:"branch"`
+	// 匹配的域名和路径
+	Domain string `json:"domain" yaml:"domain"`
+	// 路由模式 (default / history)
+	RouteMode string `json:"route" yaml:"route"`
+}
diff --git a/pkg/providers/backend.go b/pkg/providers/backend.go
deleted file mode 100644
index e7060aa..0000000
--- a/pkg/providers/backend.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package providers
-
-import "io"
-
-type Blob struct {
-	MediaType string
-	io.ReadCloser
-}
-
-type Backend interface {
-	Owners() ([]string, error)
-	Repos(owner string) ([]string, error)
-	Branches(owner, repo string) ([]string, error)
-	Open(owner, repo, branch, path string) (Blob, error)
-}
diff --git a/pkg/providers/gitea.go b/pkg/providers/gitea.go
index 799ecaa..44bcdb5 100644
--- a/pkg/providers/gitea.go
+++ b/pkg/providers/gitea.go
@@ -1,24 +1,122 @@
 package providers
 
+import (
+	"code.gitea.io/sdk/gitea"
+	"net/http"
+	"net/url"
+	"os"
+)
+
+const GiteaMaxCount = 9999
+
 type ProviderGitea struct {
+	BaseUrl string
+	Token   string
+
+	gitea *gitea.Client
 }
 
-func (g *ProviderGitea) Owners() ([]string, error) {
-	//TODO implement me
-	panic("implement me")
+func NewGitea(url string, token string) (*ProviderGitea, error) {
+	client, err := gitea.NewClient(url, gitea.SetGiteaVersion(""), gitea.SetToken(token))
+	if err != nil {
+		return nil, err
+	}
+	return &ProviderGitea{
+		BaseUrl: url,
+		Token:   token,
+		gitea:   client,
+	}, nil
 }
 
-func (g *ProviderGitea) Repos(owner string) ([]string, error) {
-	//TODO implement me
-	panic("implement me")
+func (g *ProviderGitea) Repos(owner string) (map[string]string, error) {
+	result := make(map[string]string)
+	if repos, resp, err := g.gitea.ListOrgRepos(owner, gitea.ListOrgReposOptions{
+		ListOptions: gitea.ListOptions{
+			PageSize: GiteaMaxCount,
+		},
+	}); err != nil || (resp != nil && resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNotFound) {
+		if resp != nil {
+			_ = resp.Body.Close()
+		}
+		return nil, err
+	} else {
+		if resp != nil {
+			_ = resp.Body.Close()
+		}
+		for _, item := range repos {
+			result[item.Name] = item.DefaultBranch
+		}
+	}
+	if len(result) == 0 {
+		if repos, resp, err := g.gitea.ListUserRepos(owner, gitea.ListReposOptions{
+			ListOptions: gitea.ListOptions{
+				PageSize: GiteaMaxCount,
+			},
+		}); err != nil || (resp != nil && resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNotFound) {
+			if resp != nil {
+				_ = resp.Body.Close()
+			}
+			return nil, err
+		} else {
+			if resp != nil {
+				_ = resp.Body.Close()
+			}
+			for _, item := range repos {
+				result[item.Name] = item.DefaultBranch
+			}
+		}
+	}
+	if len(result) == 0 {
+		return nil, os.ErrNotExist
+	}
+	return result, nil
+
 }
 
-func (g *ProviderGitea) Branches(owner, repo string) ([]string, error) {
-	//TODO implement me
-	panic("implement me")
+func (g *ProviderGitea) Branches(owner, repo string) (map[string]string, error) {
+	result := make(map[string]string)
+	if branches, resp, err := g.gitea.ListRepoBranches(owner, repo, gitea.ListRepoBranchesOptions{
+		ListOptions: gitea.ListOptions{
+			PageSize: GiteaMaxCount,
+		},
+	}); err != nil {
+		if resp != nil {
+			_ = resp.Body.Close()
+		}
+		return nil, err
+	} else {
+		if resp != nil {
+			_ = resp.Body.Close()
+		}
+		for _, branch := range branches {
+			result[branch.Name] = branch.Commit.ID
+		}
+	}
+	if len(result) == 0 {
+		return nil, os.ErrNotExist
+	}
+	return result, nil
 }
 
-func (g *ProviderGitea) Open(owner, repo, branch, path string) (Blob, error) {
-	//TODO implement me
-	panic("implement me")
+func (g *ProviderGitea) Open(client http.Client, owner, repo, commit, path string, headers map[string]string) (*http.Response, error) {
+	giteaURL, err := url.JoinPath(g.BaseUrl, "api/v1/repos", owner, repo, "media", path)
+	if err != nil {
+		return nil, err
+	}
+	giteaURL += "?ref=" + url.QueryEscape(commit)
+	req, err := http.NewRequest(http.MethodGet, giteaURL, nil)
+	if err != nil {
+		return nil, err
+	}
+	if headers != nil {
+		for key, value := range headers {
+			req.Header.Add(key, value)
+		}
+	}
+	req.Header.Add("Authorization", "token "+g.Token)
+	resp, err := client.Do(req)
+	if err != nil && resp == nil {
+		return nil, err
+	}
+	return resp, nil
 }
diff --git a/pkg/server.go b/pkg/server.go
new file mode 100644
index 0000000..d092a8d
--- /dev/null
+++ b/pkg/server.go
@@ -0,0 +1,16 @@
+package pkg
+
+import (
+	"code.d7z.net/d7z-project/gitea-pages/pkg/services"
+)
+
+type ServerOptions struct {
+	Domain string
+}
+
+type Server struct {
+}
+
+func NewServer(backend services.Backend, options *ServerOptions) *Server {
+
+}
diff --git a/pkg/services/backend.go b/pkg/services/backend.go
new file mode 100644
index 0000000..153f2eb
--- /dev/null
+++ b/pkg/services/backend.go
@@ -0,0 +1,14 @@
+package services
+
+import (
+	"net/http"
+)
+
+type Backend interface {
+	// Repos return repo name + default branch
+	Repos(owner string) (map[string]string, error)
+	// Branches return branch + commit id
+	Branches(owner, repo string) (map[string]string, error)
+	// Open return file or error
+	Open(client http.Client, owner, repo, commit, path string, headers map[string]string) (*http.Response, error)
+}
diff --git a/pkg/services/cache.go b/pkg/services/cache.go
new file mode 100644
index 0000000..6525513
--- /dev/null
+++ b/pkg/services/cache.go
@@ -0,0 +1,7 @@
+package services
+
+type Cache interface {
+	Put(key string, value []byte) error
+	Get(key string) ([]byte, error)
+	Delete(key string) error
+}