Note格式化去除末尾空白并确保标题后两行间距

Note/FormatNoteViewController.swift

@@ -230,13 +230,33 @@ class FormatNoteViewController: UIViewController {
         content = content.replacingOccurrences(of: "#", with: "")
         content = content.replacingOccurrences(of: "日星期", with: "日 星期")
 
-        // 按 --- 分割段落，移除每个段落内部的空行，段落之间保留两个空行
-        let paragraphs = content.components(separatedBy: "---")
-        let formattedParagraphs = paragraphs.map { paragraph -> String in
-            removeEmptyLines(paragraph)
+        // 第一行固定为标题
+        let allLines = removeEmptyLines(content).components(separatedBy: .newlines)
+        guard let title = allLines.first else { return content }
+
+        // 剩余内容按 --- 分段
+        let bodyLines = Array(allLines.dropFirst())
+        var groups: [[String]] = []
+        var currentGroup: [String] = []
+        for line in bodyLines {
+            if line == "---" {
+                if !currentGroup.isEmpty {
+                    groups.append(currentGroup)
+                    currentGroup = []
+                }
+            } else {
+                currentGroup.append(line)
+            }
+        }
+        if !currentGroup.isEmpty {
+            groups.append(currentGroup)
         }
 
-        return formattedParagraphs.joined(separator: "\n\n\n")
+        var result = title
+        for group in groups {
+            result += "\n\n\n" + group.joined(separator: "\n")
+        }
+        return result.trimmingCharacters(in: .whitespacesAndNewlines)
     }
 
     private func saveToFiles() {