diff --git a/app/src/main/assets/web/bookSource/index.html b/app/src/main/assets/web/bookSource/index.html
index 65956296c..fdf3a9bd1 100644
--- a/app/src/main/assets/web/bookSource/index.html
+++ b/app/src/main/assets/web/bookSource/index.html
@@ -257,7 +257,7 @@
             </div>
             <div>
                 <div>购买标识:</div>
-                <textarea rows="1" id="ruleToc_isPay" class="ruleToc" title="ruleToc_isPay"
+                <textarea rows="1" id="ruleToc_isPay" class="ruleToc" title="isPay"
                           placeholder="章节是否为已购买 (规则结果为Bool)"></textarea>
             </div>
             <div>