diff --git a/app/Module/Base.php b/app/Module/Base.php
index 6ce1f238d..c12af01fd 100755
--- a/app/Module/Base.php
+++ b/app/Module/Base.php
@@ -8,6 +8,7 @@ use App\Models\Tmp;
 use Cache;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Config;
+use Overtrue\Pinyin\Pinyin;
 use Redirect;
 use Request;
 use Storage;
@@ -2797,36 +2798,15 @@ class Base
         if (empty($str)) {
             return '';
         }
-        $fchar = ord($str[0]);
-        if ($fchar >= ord('A') && $fchar <= ord('z')) return strtoupper($str[0]);
-        $s1 = iconv('UTF-8', 'gb2312', $str);
-        $s2 = iconv('gb2312', 'UTF-8', $s1);
-        $s = $s2 == $str ? $s1 : $str;
-        $asc = ord($s[0]) * 256 + ord($s[1]) - 65536;
-        if ($asc >= -20319 && $asc <= -20284) return 'A';
-        if ($asc >= -20283 && $asc <= -19776) return 'B';
-        if ($asc >= -19775 && $asc <= -19219) return 'C';
-        if ($asc >= -19218 && $asc <= -18711) return 'D';
-        if ($asc >= -18710 && $asc <= -18527) return 'E';
-        if ($asc >= -18526 && $asc <= -18240) return 'F';
-        if ($asc >= -18239 && $asc <= -17923) return 'G';
-        if ($asc >= -17922 && $asc <= -17418) return 'H';
-        if ($asc >= -17417 && $asc <= -16475) return 'J';
-        if ($asc >= -16474 && $asc <= -16213) return 'K';
-        if ($asc >= -16212 && $asc <= -15641) return 'L';
-        if ($asc >= -15640 && $asc <= -15166) return 'M';
-        if ($asc >= -15165 && $asc <= -14923) return 'N';
-        if ($asc >= -14922 && $asc <= -14915) return 'O';
-        if ($asc >= -14914 && $asc <= -14631) return 'P';
-        if ($asc >= -14630 && $asc <= -14150) return 'Q';
-        if ($asc >= -14149 && $asc <= -14091) return 'R';
-        if ($asc >= -14090 && $asc <= -13319) return 'S';
-        if ($asc >= -13318 && $asc <= -12839) return 'T';
-        if ($asc >= -12838 && $asc <= -12557) return 'W';
-        if ($asc >= -12556 && $asc <= -11848) return 'X';
-        if ($asc >= -11847 && $asc <= -11056) return 'Y';
-        if ($asc >= -11055 && $asc <= -10247) return 'Z';
-        return '#';
+        $first = mb_substr($str, 0, 1);
+        if (preg_match("/^\d$/", $first)) {
+            return '#';
+        }
+        if (!preg_match("/^[a-zA-Z]$/", $first)) {
+            $pinyin = new Pinyin();
+            $first = $pinyin->abbr($first, '', PINYIN_NAME);
+        }
+        return $first ? strtoupper($first) : '#';
     }
 
     /**
diff --git a/composer.json b/composer.json
index 7f807d363..96ab9435b 100644
--- a/composer.json
+++ b/composer.json
@@ -25,6 +25,7 @@
         "madnest/madzipper": "^v1.1.0",
         "mews/captcha": "^3.2.6",
         "orangehill/iseed": "^3.0.1",
+        "overtrue/pinyin": "^4.0",
         "predis/predis": "^1.1.7"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index 4b2a15037..a478e476d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7cf09e78a30054fd005c1dac6a92ec6e",
+    "content-hash": "816640b1d415b136ebd4e280bdab73b7",
     "packages": [
         {
             "name": "brick/math",
@@ -3027,6 +3027,79 @@
             ],
             "time": "2022-03-14T06:24:13+00:00"
         },
+        {
+            "name": "overtrue/pinyin",
+            "version": "4.0.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/overtrue/pinyin.git",
+                "reference": "04bdb4d33d50e8fb1aa5a824064c5151c4b15dc2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/overtrue/pinyin/zipball/04bdb4d33d50e8fb1aa5a824064c5151c4b15dc2",
+                "reference": "04bdb4d33d50e8fb1aa5a824064c5151c4b15dc2",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "brainmaestro/composer-git-hooks": "^2.7",
+                "friendsofphp/php-cs-fixer": "^2.16",
+                "phpunit/phpunit": "~8.0"
+            },
+            "type": "library",
+            "extra": {
+                "hooks": {
+                    "pre-commit": [
+                        "composer test",
+                        "composer fix-style"
+                    ],
+                    "pre-push": [
+                        "composer test",
+                        "composer check-style"
+                    ]
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/const.php"
+                ],
+                "psr-4": {
+                    "Overtrue\\Pinyin\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "overtrue",
+                    "email": "anzhengchao@gmail.com",
+                    "homepage": "http://github.com/overtrue"
+                }
+            ],
+            "description": "Chinese to pinyin translator.",
+            "homepage": "https://github.com/overtrue/pinyin",
+            "keywords": [
+                "Chinese",
+                "Pinyin",
+                "cn2pinyin"
+            ],
+            "support": {
+                "issues": "https://github.com/overtrue/pinyin/issues",
+                "source": "https://github.com/overtrue/pinyin/tree/4.0.8"
+            },
+            "funding": [
+                {
+                    "url": "https://www.patreon.com/overtrue",
+                    "type": "patreon"
+                }
+            ],
+            "time": "2021-07-19T03:43:32+00:00"
+        },
         {
             "name": "phpoffice/phpspreadsheet",
             "version": "1.22.0",