fix

src/views/tool.vue

@@ -304,18 +304,18 @@ export default {
         }
         document.documentElement.scrollTop = document.body.scrollTop = 0
         let me = this
-        html2canvas(document.getElementById('posterOut'), {
-          useCORS: true,
-          backgroundColor:null,
-          allowTaint: false
-        }).then(canvas => {
-          me.posterUrl = canvas.toDataURL('image/png')
-          setTimeout(function(){
-            me.loadingShow = false
-            me.showPoster = true
-            me.createDialogShow = true
-          },300)
-        })
+        setTimeout(function(){
+          html2canvas(document.getElementById('posterOut'), {
+            useCORS: true,
+            backgroundColor:null,
+            allowTaint: false
+          }).then(canvas => {
+            me.posterUrl = canvas.toDataURL('image/png')
+              me.loadingShow = false
+              me.showPoster = true
+              me.createDialogShow = true
+          })
+        },300)
       }else{
         this.applyDialogShow = true
       }