diff --git a/adapters/outboundgroup/parser.go b/adapters/outboundgroup/parser.go
index e54755f8..f0c01258 100644
--- a/adapters/outboundgroup/parser.go
+++ b/adapters/outboundgroup/parser.go
@@ -56,7 +56,7 @@ func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy,
 		// if Use not empty, drop health check options
 		if len(groupOption.Use) != 0 {
 			hc := provider.NewHealthCheck(ps, "", 0)
-			pd, err := provider.NewCompatibleProvier(groupName, ps, hc)
+			pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
 			if err != nil {
 				return nil, err
 			}
@@ -66,7 +66,7 @@ func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy,
 			// select don't need health check
 			if groupOption.Type == "select" {
 				hc := provider.NewHealthCheck(ps, "", 0)
-				pd, err := provider.NewCompatibleProvier(groupName, ps, hc)
+				pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
 				if err != nil {
 					return nil, err
 				}
@@ -79,7 +79,7 @@ func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy,
 				}
 
 				hc := provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval))
-				pd, err := provider.NewCompatibleProvier(groupName, ps, hc)
+				pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
 				if err != nil {
 					return nil, err
 				}
diff --git a/adapters/provider/provider.go b/adapters/provider/provider.go
index 7f60aeda..139ce703 100644
--- a/adapters/provider/provider.go
+++ b/adapters/provider/provider.go
@@ -249,13 +249,13 @@ func NewProxySetProvider(name string, interval time.Duration, vehicle Vehicle, h
 	}
 }
 
-type CompatibleProvier struct {
+type CompatibleProvider struct {
 	name        string
 	healthCheck *HealthCheck
 	proxies     []C.Proxy
 }
 
-func (cp *CompatibleProvier) MarshalJSON() ([]byte, error) {
+func (cp *CompatibleProvider) MarshalJSON() ([]byte, error) {
 	return json.Marshal(map[string]interface{}{
 		"name":        cp.Name(),
 		"type":        cp.Type().String(),
@@ -264,44 +264,44 @@ func (cp *CompatibleProvier) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (cp *CompatibleProvier) Name() string {
+func (cp *CompatibleProvider) Name() string {
 	return cp.name
 }
 
-func (cp *CompatibleProvier) Reload() error {
+func (cp *CompatibleProvider) Reload() error {
 	return nil
 }
 
-func (cp *CompatibleProvier) Destroy() error {
+func (cp *CompatibleProvider) Destroy() error {
 	cp.healthCheck.close()
 	return nil
 }
 
-func (cp *CompatibleProvier) HealthCheck() {
+func (cp *CompatibleProvider) HealthCheck() {
 	cp.healthCheck.check()
 }
 
-func (cp *CompatibleProvier) Update() error {
+func (cp *CompatibleProvider) Update() error {
 	return nil
 }
 
-func (cp *CompatibleProvier) Initial() error {
+func (cp *CompatibleProvider) Initial() error {
 	return nil
 }
 
-func (cp *CompatibleProvier) VehicleType() VehicleType {
+func (cp *CompatibleProvider) VehicleType() VehicleType {
 	return Compatible
 }
 
-func (cp *CompatibleProvier) Type() ProviderType {
+func (cp *CompatibleProvider) Type() ProviderType {
 	return Proxy
 }
 
-func (cp *CompatibleProvier) Proxies() []C.Proxy {
+func (cp *CompatibleProvider) Proxies() []C.Proxy {
 	return cp.proxies
 }
 
-func NewCompatibleProvier(name string, proxies []C.Proxy, hc *HealthCheck) (*CompatibleProvier, error) {
+func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*CompatibleProvider, error) {
 	if len(proxies) == 0 {
 		return nil, errors.New("Provider need one proxy at least")
 	}
@@ -310,7 +310,7 @@ func NewCompatibleProvier(name string, proxies []C.Proxy, hc *HealthCheck) (*Com
 		go hc.process()
 	}
 
-	return &CompatibleProvier{
+	return &CompatibleProvider{
 		name:        name,
 		proxies:     proxies,
 		healthCheck: hc,
diff --git a/config/config.go b/config/config.go
index e9068f56..24cd330b 100644
--- a/config/config.go
+++ b/config/config.go
@@ -314,7 +314,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 		proxies[groupName] = outbound.NewProxy(group)
 	}
 
-	// initial compatible provier
+	// initial compatible provider
 	for _, pd := range providersMap {
 		if pd.VehicleType() != provider.Compatible {
 			continue
@@ -331,7 +331,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 		ps = append(ps, proxies[v])
 	}
 	hc := provider.NewHealthCheck(ps, "", 0)
-	pd, _ := provider.NewCompatibleProvier(provider.ReservedName, ps, hc)
+	pd, _ := provider.NewCompatibleProvider(provider.ReservedName, ps, hc)
 	providersMap[provider.ReservedName] = pd
 
 	global := outboundgroup.NewSelector("GLOBAL", []provider.ProxyProvider{pd})