diff --git a/packages/uplim-info-gmail/src/main.ts b/packages/uplim-info-gmail/src/main.ts
index d8ac5bf..279edf5 100644
--- a/packages/uplim-info-gmail/src/main.ts
+++ b/packages/uplim-info-gmail/src/main.ts
@@ -16,26 +16,30 @@ function main() {
 
     if (isLabeled) continue;
 
+    const hasUnreadMessage = false;
     for (const message of thread.getMessages()) {
-      if (!message.isUnread()) return;
-      const text = createMessage(message);
-
-      const cutText =
-        text.length > 2000 ? `${text.substring(0, 1995)}...` : text;
-
-      // biome-ignore lint/style/useTemplate: エスケープめっちゃ必要でむしろ読みにくくなるので
-      const codeBlock = "```\n" + cutText + "\n```";
-
-      postMessage({
-        username: "info@uplim.co.jp",
-        parse: "full",
-        avatar_url:
-          "https://cdn.discordapp.com/attachments/792765244040675389/921661726863282176/pngegg.png",
-        content: codeBlock,
-      });
+      if (message.isUnread()) {
+        const text = createMessage(message);
+
+        const cutText =
+          text.length > 2000 ? `${text.substring(0, 1995)}...` : text;
+
+        // biome-ignore lint/style/useTemplate: エスケープめっちゃ必要でむしろ読みにくくなるので
+        const codeBlock = "```\n" + cutText + "\n```";
+
+        postMessage({
+          username: "info@uplim.co.jp",
+          parse: "full",
+          avatar_url:
+            "https://cdn.discordapp.com/attachments/792765244040675389/921661726863282176/pngegg.png",
+          content: codeBlock,
+        });
+      }
     }
 
-    thread.addLabel(label);
+    if (hasUnreadMessage) {
+      thread.addLabel(label);
+    }
   }
 }