diff --git a/Note/SaveClipIntent.swift b/Note/SaveClipIntent.swift
index 24014b2..3d12966 100644
--- a/Note/SaveClipIntent.swift
+++ b/Note/SaveClipIntent.swift
@@ -31,7 +31,22 @@ struct SaveClipIntent: AppIntent {
             return .result(value: "文案为空，未保存。")
         }
 
+        guard !isSystemClipboardPlaceholder(trimmed) else {
+            return .result(value: "剪贴板没有有效文本，未保存。")
+        }
+
         try await ClipStore.shared.save(text: trimmed, source: source)
         return .result(value: "已保存到收集箱。")
     }
+
+    private func isSystemClipboardPlaceholder(_ text: String) -> Bool {
+        let lowercased = text.lowercased()
+        if lowercased.hasPrefix("clipboard ") && lowercased.contains(" at ") {
+            return true
+        }
+        if text == "获取剪贴板" {
+            return true
+        }
+        return false
+    }
 }