diff --git a/package.json b/package.json
index 23a97d9..928b67f 100755
--- a/package.json
+++ b/package.json
@@ -21,9 +21,9 @@
     "midwayjs-cool-redis": "^1.1.6",
     "midwayjs-cool-socket": "^1.0.8",
     "midwayjs-cool-wxpay": "^1.0.12",
+    "mini-svg-data-uri": "^1.4.3",
     "mysql2": "^2.3.0",
     "svg-captcha": "^1.4.0",
-    "svg-to-dataurl": "^1.0.0",
     "typeorm": "^0.2.37"
   },
   "devDependencies": {
diff --git a/src/app/modules/base/service/sys/login.ts b/src/app/modules/base/service/sys/login.ts
index 4c59248..a1173b3 100644
--- a/src/app/modules/base/service/sys/login.ts
+++ b/src/app/modules/base/service/sys/login.ts
@@ -8,7 +8,6 @@ import {
 } from 'midwayjs-cool-core';
 import { LoginDTO } from '../../dto/login';
 import * as svgCaptcha from 'svg-captcha';
-import * as svgToDataURL from 'svg-to-dataurl';
 import { v1 as uuid } from 'uuid';
 import { BaseSysUserEntity } from '../../entity/sys/user';
 import { Repository } from 'typeorm';
@@ -20,6 +19,7 @@ import { BaseSysMenuService } from './menu';
 import { BaseSysDepartmentService } from './department';
 import * as jwt from 'jsonwebtoken';
 import { Context } from 'egg';
+import * as  svgToDataURL from 'mini-svg-data-uri';
 
 /**
  * 登录