diff --git a/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt b/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt
index 4d03a5753..88a4ddc2b 100644
--- a/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt
@@ -26,13 +26,12 @@ class ChangeCoverDialog : BaseDialogFragment(),
         const val tag = "changeCoverDialog"
 
         fun show(manager: FragmentManager, name: String, author: String) {
-            val fragment = (manager.findFragmentByTag(tag) as? ChangeCoverDialog)
-                ?: ChangeCoverDialog().apply {
-                    val bundle = Bundle()
-                    bundle.putString("name", name)
-                    bundle.putString("author", author)
-                    arguments = bundle
-                }
+            val fragment = ChangeCoverDialog().apply {
+                val bundle = Bundle()
+                bundle.putString("name", name)
+                bundle.putString("author", author)
+                arguments = bundle
+            }
             fragment.show(manager, tag)
         }
     }
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
index 3b4068e96..7981e893d 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceDialog.kt
@@ -37,13 +37,12 @@ class ChangeSourceDialog : BaseDialogFragment(),
         const val tag = "changeSourceDialog"
 
         fun show(manager: FragmentManager, name: String, author: String) {
-            val fragment = (manager.findFragmentByTag(tag) as? ChangeSourceDialog)
-                ?: ChangeSourceDialog().apply {
-                    val bundle = Bundle()
-                    bundle.putString("name", name)
-                    bundle.putString("author", author)
-                    arguments = bundle
-                }
+            val fragment = ChangeSourceDialog().apply {
+                val bundle = Bundle()
+                bundle.putString("name", name)
+                bundle.putString("author", author)
+                arguments = bundle
+            }
             fragment.show(manager, tag)
         }
     }