优化支付功能

backend/package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@element-plus/icons-vue": "^2.3.2",
         "@turbodocx/html-to-docx": "^1.22.2",
+        "@types/qrcode": "^1.5.6",
         "@umoteam/editor": "^10.2.1",
         "axios": "^1.13.1",
         "chart": "^0.1.2",
@@ -2455,7 +2456,6 @@
       "version": "24.10.14",
       "resolved": "https://registry.npmmirror.com/@types/node/-/node-24.10.14.tgz",
       "integrity": "sha512-OowOUbD1lBCOFIPOZ8xnMIhgqA4sCutMiYOmPHL1PTLt5+y1XA+g2+yC9OOyz8p+deMZqPZLxfMjYIfrKsPeFg==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "undici-types": "~7.16.0"
@@ -2467,6 +2467,15 @@
       "integrity": "sha512-VWDCbrLeVXJM9fihYodcLiIv0ku+AlOa/TQ1SvYOaBuyrSKgEcro95LJyIsJ4vSo6BXIxOKxiJAat04CmST9Fw==",
       "license": "MIT"
     },
+    "node_modules/@types/qrcode": {
+      "version": "1.5.6",
+      "resolved": "https://registry.npmmirror.com/@types/qrcode/-/qrcode-1.5.6.tgz",
+      "integrity": "sha512-te7NQcV2BOvdj2b1hCAHzAoMNuj65kNBMz0KBaxM6c3VGBOhU0dURQKOtH8CFNI/dsKkwlv32p26qYQTWoB5bw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/raf": {
       "version": "3.4.3",
       "resolved": "https://registry.npmmirror.com/@types/raf/-/raf-3.4.3.tgz",
@@ -8193,7 +8202,6 @@
       "version": "7.16.0",
       "resolved": "https://registry.npmmirror.com/undici-types/-/undici-types-7.16.0.tgz",
       "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/unimport": {