diff --git a/03.Code/업로드용/fix_keys.py b/03.Code/업로드용/fix_keys.py
new file mode 100644
index 0000000..ca9e8f0
--- /dev/null
+++ b/03.Code/업로드용/fix_keys.py
@@ -0,0 +1,53 @@
+import os, re
+
+ROOT = r"D:\for python\geulbeot-light\upload"
+
+replacements = [
+    (r'OPENAI_API_KEY\s*=\s*"sk-proj-[^"]*"',
+     'OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY")'),
+    (r'GEMINI_API_KEY\s*=\s*"AIza[^"]*"',
+     'GEMINI_API_KEY = os.environ.get("GEMINI_API_KEY")'),
+    (r"api_key='sk-ant-[^']*'",
+     'api_key=os.environ.get("ANTHROPIC_API_KEY")'),
+]
+
+targets = [
+    "converters/pipeline/step3_domain.py",
+    "converters/pipeline/step4_chunk.py",
+    "converters/pipeline/step5_rag.py",
+    "converters/pipeline/step6_corpus.py",
+    "converters/pipeline/step7_index.py",
+    "converters/pipeline/step8_content.py",
+    "handlers/common.py",
+]
+
+# .env 濡 肄 異媛
+dotenv_snippet = "from dotenv import load_dotenv\nload_dotenv()\n"
+
+for rel_path in targets:
+    path = os.path.join(ROOT, rel_path)
+    with open(path, encoding="utf-8") as f:
+        content = f.read()
+    if "load_dotenv" not in content:
+        content = dotenv_snippet + content
+        with open(path, "w", encoding="utf-8") as f:
+            f.write(content)
+        print(f"
+ dotenv 異媛: {rel_path}")
+    changed = False
+    for pattern, replacement in replacements:
+        new_content = re.sub(pattern, replacement, content)
+        if new_content != content:
+            content = new_content
+            changed = True
+
+    if changed:
+        with open(path, "w", encoding="utf-8") as f:
+            f.write(content)
+        print(f"
+ : {rel_path}")
+    else:
+        print(f"  蹂寃쎌: {rel_path}")
+
+print("\n
+          猷!")