diff --git a/app/src/main/res/drawable/ic_about.xml b/app/src/main/res/drawable/ic_about.xml
deleted file mode 100644
index 3f2b1987a..000000000
--- a/app/src/main/res/drawable/ic_about.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M7.699,18.758 L7.699,13.219 L4,9.742 L20,5.242 L13.332,18.574 L10.785,16.125 L7.699,18.758 Z M9.455,13.035 L12.888,16.267 L16.987,8.288 L9.455,13.035 Z M9.035,14.477 L9.035,15.887 L9.81,15.209 L9.035,14.477 Z M6.655,10.398 L8.449,12.086 L14.544,8.248 L6.655,10.398 Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_back_last.xml b/app/src/main/res/drawable/ic_back_last.xml
deleted file mode 100644
index f1355c878..000000000
--- a/app/src/main/res/drawable/ic_back_last.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="64.063"
-    android:viewportHeight="64">
-
-    <path
-        android:fillColor="#000000"
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-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_book_source_manage.xml b/app/src/main/res/drawable/ic_book_source_manage.xml
deleted file mode 100644
index 11fb46c9e..000000000
--- a/app/src/main/res/drawable/ic_book_source_manage.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M20,7.046 L4,7.046 L4,5.522 L20,5.522 L20,7.046 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M20,10.855 L4,10.855 L4,9.334 L20,9.334 L20,10.855 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M20,14.666 L4,14.666 L4,13.145 L20,13.145 L20,14.666 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M20,18.477 L4,18.477 L4,16.954 L20,16.954 L20,18.477 Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_cfg_jz.xml b/app/src/main/res/drawable/ic_cfg_donate.xml
similarity index 98%
rename from app/src/main/res/drawable/ic_cfg_jz.xml
rename to app/src/main/res/drawable/ic_cfg_donate.xml
index 710bae7fd..9d5bb4788 100644
--- a/app/src/main/res/drawable/ic_cfg_jz.xml
+++ b/app/src/main/res/drawable/ic_cfg_donate.xml
@@ -1,12 +1,12 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-  <path
-      android:fillColor="#FF000000"
-      android:pathData="M12,4.5A7.5,7.5 0,1 1,4.5 12,7.5 7.5,0 0,1 12,4.5M12,3a9,9 0,1 0,9 9,9 9,0 0,0 -9,-9Z"/>
-  <path
-      android:fillColor="#FF000000"
-      android:pathData="M15.01,7.25l-1.49,0l-1.51,2.59l-1.5,-2.59l-1.5,0l1.6,2.75l-1.6,0l0,1.5l2.24,0l0,1l-2.24,0l0,1.5l2.24,0l0,2.75l1.5,0l0,-2.75l2.24,0l0,-1.5l-2.24,0l0,-1l2.24,0l0,-1.5l-1.58,0l1.6,-2.75z"/>
-</vector>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M12,4.5A7.5,7.5 0,1 1,4.5 12,7.5 7.5,0 0,1 12,4.5M12,3a9,9 0,1 0,9 9,9 9,0 0,0 -9,-9Z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M15.01,7.25l-1.49,0l-1.51,2.59l-1.5,-2.59l-1.5,0l1.6,2.75l-1.6,0l0,1.5l2.24,0l0,1l-2.24,0l0,1.5l2.24,0l0,2.75l1.5,0l0,-2.75l2.24,0l0,-1.5l-2.24,0l0,-1l2.24,0l0,-1.5l-1.58,0l1.6,-2.75z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_disclaimer.xml b/app/src/main/res/drawable/ic_disclaimer.xml
deleted file mode 100644
index 6cc4ea597..000000000
--- a/app/src/main/res/drawable/ic_disclaimer.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M11.999,4c-4.411,0-8,3.588-8,8s3.589,8,8,8c4.41,0,8-3.588,8-8S16.409,4,11.999,4z M11.999,18.546 c-3.609,0-6.547-2.937-6.547-6.546s2.938-6.546,6.547-6.546S18.544,8.391,18.544,12S15.608,18.546,11.999,18.546z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 12.727 10.546 L 11.271 10.546 L 11.271 14.667 L 11.028 14.667 L 11.028 16.121 L 12.969 16.121 L 12.969 14.667 L 12.727 14.667 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 11.271 8.121 H 12.727 V 9.091 H 11.271 V 8.121 Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_donate.xml b/app/src/main/res/drawable/ic_donate.xml
deleted file mode 100644
index 1cf58b952..000000000
--- a/app/src/main/res/drawable/ic_donate.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M15.045,19.68 L8.955,19.68 C7.274,19.68,5.854,18.367,5.726,16.696 L5.322,11.43 L4,11.43 L4,7.492 L6.722,7.492 C6.603,7.211,6.541,6.913,6.541,6.602 C6.541,5.344,7.567,4.321,8.826,4.321 C9.935,4.321,10.678,4.755,11.391,5.82 C11.481,5.956,11.683,6.285,12.001,6.82 C12.319,6.285,12.521,5.956,12.609,5.821 C13.322,4.755,14.066,4.321,15.175,4.321 C16.434,4.321,17.46,5.344,17.46,6.602 C17.46,6.914,17.397,7.211,17.279,7.493 L20,7.493 L20,11.431 L18.678,11.431 L18.273,16.697 C18.145,18.367,16.726,19.68,15.045,19.68 Z M12.698,18.287 L15.045,18.287 C16.002,18.287,16.808,17.539,16.88,16.586 L17.276,11.43 L12.698,11.43 L12.698,18.287 Z M6.723,11.43 L7.12,16.586 C7.191,17.539,7.998,18.287,8.955,18.287 L11.301,18.287 L11.301,11.43 L6.723,11.43 Z M12.698,10.033 L18.603,10.033 L18.603,8.89 L12.698,8.89 L12.698,10.033 Z M5.397,10.033 L11.301,10.033 L11.301,8.89 L5.397,8.89 L5.397,10.033 Z M13.224,7.492 L15.175,7.492 C15.665,7.492,16.065,7.094,16.065,6.601 C16.065,6.114,15.666,5.712,15.175,5.712 C14.609,5.712,14.272,5.84,13.772,6.593 C13.683,6.727,13.454,7.105,13.224,7.492 Z M8.825,5.713 C8.335,5.713,7.935,6.114,7.935,6.602 C7.935,7.094,8.334,7.493,8.825,7.493 L10.776,7.493 C10.546,7.106,10.318,6.727,10.23,6.597 C9.728,5.841,9.392,5.713,8.825,5.713 Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_format_line_spacing.xml b/app/src/main/res/drawable/ic_format_line_spacing.xml
deleted file mode 100644
index 3308038da..000000000
--- a/app/src/main/res/drawable/ic_format_line_spacing.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M7.451,18.062 L7.451,15.375 L7.451,13.6 L7.451,5.938 L8.736,7.23 L9.871,6.103 L6.651,2.866 L3.433,6.103 L4.567,7.23 L5.852,5.939 L5.852,13.6 L5.852,15.375 L5.852,18.061 L4.567,16.77 L3.433,17.897 L6.651,21.134 L9.871,17.897 L8.736,16.77 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M10.895,4.8 L20,4.8 L20,6.4 L10.895,6.4 L10.895,4.8 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M10.895,11.021 L20,11.021 L20,12.621 L10.895,12.621 L10.895,11.021 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M10.895,17.512 L20,17.512 L20,19.112 L10.895,19.112 L10.895,17.512 Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_list.xml b/app/src/main/res/drawable/ic_list.xml
deleted file mode 100644
index 4a1b0d561..000000000
--- a/app/src/main/res/drawable/ic_list.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M5.938,4v0.97H4v13.334C4,19.239,4.762,20,5.696,20h12.607C19.239,20,20,19.239,20,18.304V4H5.938z M5.454,18.304V6.424h0.484v11.88C5.938,18.57,5.454,18.57,5.454,18.304z M18.546,18.304c0,0.133-0.108,0.242-0.242,0.242H7.368 c0.013-0.08,0.025-0.159,0.025-0.242V5.454h11.152V18.304z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 9.089 11.061 H 16.849 V 11.97 H 9.089 V 11.061 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 9.089 13 H 16.849 V 13.909 H 9.089 V 13 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 9.089 7.182 H 16.849 V 8.091 H 9.089 V 7.182 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 9.089 9.12 H 16.849 V 10.03 H 9.089 V 9.12 Z" />
-    <path
-        android:fillColor="#595757"
-        android:pathData="M 9.089 14.939 H 16.849 V 15.848 H 9.089 V 14.939 Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_mail.xml b/app/src/main/res/drawable/ic_mail.xml
deleted file mode 100644
index cbe92189a..000000000
--- a/app/src/main/res/drawable/ic_mail.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#595757"
-        android:pathData="M18.648,5.818H5.352C4.594,5.818,4,6.343,4,7.013v9.974c0,0.67,0.594,1.195,1.352,1.195h13.297 c0.758,0,1.352-0.525,1.352-1.195V7.013C20,6.343,19.406,5.818,18.648,5.818z M12,11.117L6.392,7.271l11.214,0.003L12,11.117z M5.454,16.725V8.394l6.134,4.206h0.823l6.136-4.206v8.334L5.454,16.725z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_menu_camera.xml b/app/src/main/res/drawable/ic_menu_camera.xml
deleted file mode 100644
index 634fe9221..000000000
--- a/app/src/main/res/drawable/ic_menu_camera.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0" />
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M9,2L7.17,4H4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2H9zm3,15c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_menu_gallery.xml b/app/src/main/res/drawable/ic_menu_gallery.xml
deleted file mode 100644
index 03c77099f..000000000
--- a/app/src/main/res/drawable/ic_menu_gallery.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M22,16V4c0,-1.1 -0.9,-2 -2,-2H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zm-11,-4l2.03,2.71L16,11l4,5H8l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2H4V6H2z" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_menu_manage.xml b/app/src/main/res/drawable/ic_menu_manage.xml
deleted file mode 100644
index aeb047d02..000000000
--- a/app/src/main/res/drawable/ic_menu_manage.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M22.7,19l-9.1,-9.1c0.9,-2.3 0.4,-5 -1.5,-6.9 -2,-2 -5,-2.4 -7.4,-1.3L9,6 6,9 1.6,4.7C0.4,7.1 0.9,10.1 2.9,12.1c1.9,1.9 4.6,2.4 6.9,1.5l9.1,9.1c0.4,0.4 1,0.4 1.4,0l2.3,-2.3c0.5,-0.4 0.5,-1.1 0.1,-1.4z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_menu_send.xml b/app/src/main/res/drawable/ic_menu_send.xml
deleted file mode 100644
index fdf1c9009..000000000
--- a/app/src/main/res/drawable/ic_menu_send.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_menu_slideshow.xml b/app/src/main/res/drawable/ic_menu_slideshow.xml
deleted file mode 100644
index 5e9e163a5..000000000
--- a/app/src/main/res/drawable/ic_menu_slideshow.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z" />
-</vector>
diff --git a/app/src/main/res/xml/pref_main.xml b/app/src/main/res/xml/pref_main.xml
index 6bb378f56..e4e3d3cee 100644
--- a/app/src/main/res/xml/pref_main.xml
+++ b/app/src/main/res/xml/pref_main.xml
@@ -87,7 +87,7 @@
             android:key="donate"
             android:summary="@string/donate_summary"
             android:title="@string/donate"
-            android:icon="@drawable/ic_cfg_jz"
+            android:icon="@drawable/ic_cfg_donate"
             app:iconSpaceReserved="false" />
 
         <io.legado.app.ui.widget.prefs.Preference