diff --git a/package.json b/package.json
index 700f2f4..4c0af67 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package",
   "name": "tutu",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "",
   "private": true,
   "type": "module",
diff --git a/src/timelines/TootComposer.tsx b/src/timelines/TootComposer.tsx
index 0440253..8e4ed25 100644
--- a/src/timelines/TootComposer.tsx
+++ b/src/timelines/TootComposer.tsx
@@ -183,7 +183,7 @@ function randomChoose<T extends any[]>(
   rn: number,
   K: T,
 ): T extends Array<infer E> ? E : never {
-  const idx = Math.round(rn * K.length);
+  const idx = Math.round(rn * K.length) - 1;
   return K[idx];
 }