Update package.json

package.json

@@ -20,7 +20,7 @@
     "axios": "0.16.2",
     "clipboard": "^2.0.6",
     "pdfjs-dist": "^2.4.456",
-    "pica-topic-stencil": "^1.0.8",
+    "pica-topic-stencil": "^2.0.5",
     "vant": "^2.2.15",
     "vconsole": "^3.3.4",
     "vue": "^2.1.0",