diff --git a/internal/acme/providers.go b/internal/acme/providers.go
index d53b12ba..68c7cda1 100644
--- a/internal/acme/providers.go
+++ b/internal/acme/providers.go
@@ -9,30 +9,11 @@ type Provider struct {
 	Code           string `json:"code"`
 	Description    string `json:"description"`
 	APIURL         string `json:"apiURL"`
+	TestAPIURL     string `json:"testAPIURL"`
 	RequireEAB     bool   `json:"requireEAB"`
 	EABDescription string `json:"eabDescription"`
 }
 
-func FindAllProviders() []*Provider {
-	return []*Provider{
-		{
-			Name:        "Let's Encrypt",
-			Code:        DefaultProviderCode,
-			Description: "非盈利组织Let's Encrypt提供的免费证书。",
-			APIURL:      "https://acme-v02.api.letsencrypt.org/directory",
-			RequireEAB:  false,
-		},
-		{
-			Name:           "ZeroSSL",
-			Code:           "zerossl",
-			Description:    "相关文档 <a href=\"https://zerossl.com/documentation/acme/\" target=\"_blank\">https://zerossl.com/documentation/acme/</a>。",
-			APIURL:         "https://acme.zerossl.com/v2/DV90",
-			RequireEAB:     true,
-			EABDescription: "在官网<a href=\"https://app.zerossl.com/developer\" target=\"_blank\">[Developer]</a>页面底部点击\"Generate\"按钮生成。",
-		},
-	}
-}
-
 func FindProviderWithCode(code string) *Provider {
 	for _, provider := range FindAllProviders() {
 		if provider.Code == code {
diff --git a/internal/acme/providers_ext.go b/internal/acme/providers_ext.go
new file mode 100644
index 00000000..12e00cee
--- /dev/null
+++ b/internal/acme/providers_ext.go
@@ -0,0 +1,24 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+//go:build !plus
+
+package acme
+
+func FindAllProviders() []*Provider {
+	return []*Provider{
+		{
+			Name:        "Let's Encrypt",
+			Code:        DefaultProviderCode,
+			Description: "非盈利组织Let's Encrypt提供的免费证书。",
+			APIURL:      "https://acme-v02.api.letsencrypt.org/directory",
+			RequireEAB:  false,
+		},
+		{
+			Name:           "ZeroSSL",
+			Code:           "zerossl",
+			Description:    "相关文档 <a href=\"https://zerossl.com/documentation/acme/\" target=\"_blank\">https://zerossl.com/documentation/acme/</a>。",
+			APIURL:         "https://acme.zerossl.com/v2/DV90",
+			RequireEAB:     true,
+			EABDescription: "在官网<a href=\"https://app.zerossl.com/developer\" target=\"_blank\">[Developer]</a>页面底部点击\"Generate\"按钮生成。",
+		},
+	}
+}