diff --git a/internal/adapter/dingtalk.go b/internal/adapter/dingtalk.go
index 5f4cd03..7e5a467 100644
--- a/internal/adapter/dingtalk.go
+++ b/internal/adapter/dingtalk.go
@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
+	"strings"
 	"time"
 )
 
@@ -69,7 +70,7 @@ func (s *DingTalkSender) Send(title, content string, config json.RawMessage) err
 		MsgType: "markdown",
 		Markdown: &dingtalkMD{
 			Title: title,
-			Text:  content,
+			Text:  dingtalkMarkdownText(content),
 		},
 	}
 
@@ -86,6 +87,18 @@ func (s *DingTalkSender) Send(title, content string, config json.RawMessage) err
 	return nil
 }
 
+// dingtalkMarkdownText turns template newlines into DingTalk markdown paragraph
+// breaks. A single \n is collapsed to a space by DingTalk markdown, so each
+// logical line must be separated by \n\n.
+func dingtalkMarkdownText(content string) string {
+	content = strings.ReplaceAll(content, "\r\n", "\n")
+	content = strings.ReplaceAll(content, "\r", "\n")
+	for strings.Contains(content, "\n\n") {
+		content = strings.ReplaceAll(content, "\n\n", "\n")
+	}
+	return strings.ReplaceAll(content, "\n", "\n\n")
+}
+
 func dingtalkSign(timestamp int64, secret string) string {
 	mac := hmac.New(sha256.New, []byte(secret))
 	fmt.Fprintf(mac, "%d\n%s", timestamp, secret)
diff --git a/internal/adapter/dingtalk_test.go b/internal/adapter/dingtalk_test.go
index 0716e19..bb00def 100644
--- a/internal/adapter/dingtalk_test.go
+++ b/internal/adapter/dingtalk_test.go
@@ -2,6 +2,15 @@ package adapter
 
 import "testing"
 
+func TestDingTalkMarkdownTextDoublesNewlines(t *testing.T) {
+	in := "空单开仓\n交易品种: ETHUSDT\n开仓价格: 2542.33\n\n推送时间: 2026.08.27 16:30:12"
+	got := dingtalkMarkdownText(in)
+	want := "空单开仓\n\n交易品种: ETHUSDT\n\n开仓价格: 2542.33\n\n推送时间: 2026.08.27 16:30:12"
+	if got != want {
+		t.Fatalf("got %q\nwant %q", got, want)
+	}
+}
+
 func TestDingtalkConfigWebhookURL(t *testing.T) {
 	tests := []struct {
 		name    string