diff --git a/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt b/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt
index 49c04f4d5..eb5a1c997 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt
@@ -77,7 +77,7 @@ class ReplaceEditDialog : DialogFragment(),
         }
         et_replace_rule.onFocusChange { v, hasFocus ->
             if (hasFocus) {
-                mSoftKeyboardTool.width = et_replace_rule.width
+                mSoftKeyboardTool.width = v.width
                 mSoftKeyboardTool.showAsDropDown(v)
             } else {
                 mSoftKeyboardTool.dismiss()