diff --git a/README.md b/README.md
index 8f4d70b..702cfd0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 ## 项目介绍
+
+[![Go Report Card](https://goreportcard.com/badge/github.com/glidea/zenfeed)](https://goreportcard.com/report/github.com/glidea/zenfeed)
+
 zenfeed 是你的智能信息助手。它自动收集、筛选并总结关注的新闻或话题，然后发送给你。但我们可不是又造了一个 "今日头条"... 🤔
 
 ![Zenfeed](docs/images/arch.png)
@@ -72,24 +75,23 @@ docker run --rm \
   mikefarah/yq -c '
     set -e
     mkdir -p zenfeed/config && cd zenfeed
-
     TEMPLATE_URL="https://raw.githubusercontent.com/glidea/zenfeed/main/install/config-template.yaml"
     COMPOSE_URL="https://raw.githubusercontent.com/glidea/zenfeed/main/install/docker-compose.yml"
     CONFIG_OUTPUT="config/config.yaml"
     COMPOSE_OUTPUT="docker-compose.yml"
 
-    curl -sfL "$TEMPLATE_URL" | yq \
-        '.timezone = "Asia/Shanghai" |
-          .llms[0].provider = siliconflow |
-          .llms[0].model = Qwen/Qwen2.5-32B-Instruct |
-          .llms[0].api_key = your_api_key | # 替换！！！其它参数按需选择
-          .llms[1].provider = siliconflow |
-          .llms[1].embedding_model = Pro/BAAI/bge-m3 |
-          .llms[1].api_key = your_api_key | # 替换！！！
-          .storage.feed.rewrites[0].transform.to_text.prompt = {{.summary_html_snippet}}使用中文回复' \
+    wget -qO- "$TEMPLATE_URL" | yq \
+        ".timezone = \"Asia/Shanghai\" |
+          .llms[0].provider = \"siliconflow\" |
+          .llms[0].model = \"Qwen/Qwen2.5-7B-Instruct\" |
+          .llms[0].api_key = \"your_api_key\" | # <<<--- 替换 API Key! 其它参数按需选择
+          .llms[1].provider = \"siliconflow\" |
+          .llms[1].embedding_model = \"Pro/BAAI/bge-m3\" |
+          .llms[1].api_key = \"your_api_key\" | # <<<--- 替换 API Key!
+          .storage.feed.rewrites[0].transform.to_text.prompt = \"{{.summary_html_snippet}}使用中文回复\"" \
         > "$CONFIG_OUTPUT"
 
-    curl -sfL "$COMPOSE_URL" -o "$COMPOSE_OUTPUT"
+    wget -qO "$COMPOSE_OUTPUT" "$COMPOSE_URL"
 ' && cd zenfeed && docker compose up -d --wait
 ```
 
@@ -101,26 +103,25 @@ docker run --rm `
   -w /app `
   --entrypoint sh `
   mikefarah/yq -c '
-    set -e;
-    mkdir -p zenfeed/config && cd zenfeed;
+    set -e
+    mkdir -p zenfeed/config && cd zenfeed
+    TEMPLATE_URL="https://raw.githubusercontent.com/glidea/zenfeed/main/install/config-template.yaml"
+    COMPOSE_URL="https://raw.githubusercontent.com/glidea/zenfeed/main/install/docker-compose.yml"
+    CONFIG_OUTPUT="config/config.yaml"
+    COMPOSE_OUTPUT="docker-compose.yml"
 
-    TEMPLATE_URL="https://raw.githubusercontent.com/glidea/zenfeed/main/install/config-template.yaml";
-    COMPOSE_URL="https://raw.githubusercontent.com/glidea/zenfeed/main/install/docker-compose.yml";
-    CONFIG_OUTPUT="config/config.yaml";
-    COMPOSE_OUTPUT="docker-compose.yml";
+    wget -qO- "$TEMPLATE_URL" | yq \
+        ".timezone = \"Asia/Shanghai\" |
+          .llms[0].provider = \"siliconflow\" |
+          .llms[0].model = \"Qwen/Qwen2.5-7B-Instruct\" |
+          .llms[0].api_key = \"your_api_key\" | # <<<--- 替换 API Key! 其它参数按需选择
+          .llms[1].provider = \"siliconflow\" |
+          .llms[1].embedding_model = \"Pro/BAAI/bge-m3\" |
+          .llms[1].api_key = \"your_api_key\" | # <<<--- 替换 API Key!
+          .storage.feed.rewrites[0].transform.to_text.prompt = \"{{.summary_html_snippet}}使用中文回复\"" \
+        > "$CONFIG_OUTPUT"
 
-    curl -sfL "$TEMPLATE_URL" | yq `
-        ''.timezone = "Asia/Shanghai" |
-          .llms[0].provider = "siliconflow" |
-          .llms[0].model = "Qwen/Qwen2.5-32B-Instruct" |
-          .llms[0].api_key = "your_api_key" | # 替换！！！其它参数按需选择
-          .llms[1].provider = "siliconflow" |
-          .llms[1].embedding_model = "Pro/BAAI/bge-m3" |
-          .llms[1].api_key = "your_api_key" | # 替换！！！
-          .storage.feed.rewrites[0].transform.to_text.prompt = "{{.summary_html_snippet}}使用中文回复"'' `
-        > "$CONFIG_OUTPUT";
-
-    curl -sfL "$COMPOSE_URL" -o "$COMPOSE_OUTPUT";
+    wget -qO "$COMPOSE_OUTPUT" "$COMPOSE_URL"
 ' ; cd zenfeed; docker compose up -d --wait
 ```
 
diff --git a/install/config-template.yaml b/install/config-template.yaml
index 43cd1e8..6a8bee9 100644
--- a/install/config-template.yaml
+++ b/install/config-template.yaml
@@ -3,7 +3,7 @@ llms:
   - name: general
     default: true
     provider: siliconflow
-    model: Qwen/Qwen2.5-32B-Instruct
+    model: Qwen/Qwen2.5-7B-Instruct
   - name: embed
     provider: siliconflow
     embedding_model: Pro/BAAI/bge-m3
diff --git a/pkg/notify/channel/channel.go b/pkg/notify/channel/channel.go
index b0c95f2..44704c9 100644
--- a/pkg/notify/channel/channel.go
+++ b/pkg/notify/channel/channel.go
@@ -41,7 +41,7 @@ type Config struct {
 }
 
 func (c *Config) Validate() error {
-	if c.Email != nil {
+	if c.Email.Enabled() {
 		if err := c.Email.Validate(); err != nil {
 			return errors.Wrap(err, "validate email")
 		}
@@ -56,9 +56,6 @@ type Receiver struct {
 }
 
 func (r *Receiver) Validate() error {
-	if r.Email == "" && r.Webhook == nil {
-		return errors.New("email or webhook is required")
-	}
 	if r.Email != "" && r.Webhook != nil {
 		return errors.New("email and webhook cannot both be set")
 	}
@@ -97,7 +94,7 @@ func new(instance string, config *Config, dependencies Dependencies) (Channel, e
 	}
 
 	var email sender
-	if config.Email != nil {
+	if config.Email.Enabled() {
 		var err error
 		email, err = newEmail(config.Email, dependencies)
 		if err != nil {
diff --git a/pkg/notify/channel/email.go b/pkg/notify/channel/email.go
index 6a7a7aa..274d94a 100644
--- a/pkg/notify/channel/email.go
+++ b/pkg/notify/channel/email.go
@@ -48,6 +48,10 @@ type Email struct {
 	feedHTMLSnippetTemplate *template.Template
 }
 
+func (c *Email) Enabled() bool {
+	return c != nil && c.SmtpEndpoint != ""
+}
+
 func (c *Email) Validate() error {
 	if c.SmtpEndpoint == "" {
 		return errors.New("email.smtp_endpoint is required")