diff --git a/skills/docx/SKILL.md b/skills/docx/SKILL.md
index 54c39f7..0dc12c4 100644
--- a/skills/docx/SKILL.md
+++ b/skills/docx/SKILL.md
@@ -37,6 +37,10 @@ market:
 
 # DOCX creation, editing, and analysis
 
+## Output Rule
+
+When you create or modify a .docx file, you **MUST** tell the user the absolute path of the output file in your response. Example: "文件已保存到：`/path/to/output.docx`"
+
 ## Overview
 
 A .docx file is a ZIP archive containing XML files.
diff --git a/skills/pdf/SKILL.md b/skills/pdf/SKILL.md
index fbbc122..541ea12 100644
--- a/skills/pdf/SKILL.md
+++ b/skills/pdf/SKILL.md
@@ -33,6 +33,10 @@ market:
 
 # PDF Processing Guide
 
+## Output Rule
+
+When you create or modify a .pdf file, you **MUST** tell the user the absolute path of the output file in your response. Example: "文件已保存到：`/path/to/output.pdf`"
+
 ## Overview
 
 This guide covers essential PDF processing operations using Python libraries and command-line tools. For advanced features, JavaScript libraries, and detailed examples, see REFERENCE.md. If you need to fill out a PDF form, read FORMS.md and follow its instructions.
diff --git a/skills/pptx/SKILL.md b/skills/pptx/SKILL.md
index 963f4a3..a68eabd 100644
--- a/skills/pptx/SKILL.md
+++ b/skills/pptx/SKILL.md
@@ -37,6 +37,10 @@ market:
 
 # PPTX Skill
 
+## Output Rule
+
+When you create or modify a .pptx file, you **MUST** tell the user the absolute path of the output file in your response. Example: "文件已保存到：`/path/to/output.pptx`"
+
 ## Quick Reference
 
 | Task | Guide |
diff --git a/skills/xlsx/SKILL.md b/skills/xlsx/SKILL.md
index 89ae7f7..e7690a5 100644
--- a/skills/xlsx/SKILL.md
+++ b/skills/xlsx/SKILL.md
@@ -39,6 +39,10 @@ market:
 
 # Requirements for Outputs
 
+## Output Rule
+
+When you create or modify a .xlsx file, you **MUST** tell the user the absolute path of the output file in your response. Example: "文件已保存到：`/path/to/output.xlsx`"
+
 ## All Excel files
 
 ### Professional Font