diff --git a/src/core/helpers/protocol/context/canvas.js b/src/core/helpers/protocol/context/canvas.js
index 4003895075bc1dbf4651f3f37b00c0280ab79282..8c9f28c4bf6c3f227a8ac8528c4a6d83fc01ff91 100644
--- a/src/core/helpers/protocol/context/canvas.js
+++ b/src/core/helpers/protocol/context/canvas.js
@@ -110,7 +110,6 @@ export const canvasToTempFilePath = {
   quality: {
     type: Number,
     validator (value, params) {
-      value = Math.floor(value)
       params.quality = value > 0 && value < 1 ? value : 1
     }
   }
diff --git a/src/core/service/api/context/canvas.js b/src/core/service/api/context/canvas.js
index 3dcbe4e86c1e881a8c189f5b1a46d6d56807bf4c..1bb2fc128ff98270f68b99f02055a98060814750 100644
--- a/src/core/service/api/context/canvas.js
+++ b/src/core/service/api/context/canvas.js
@@ -876,7 +876,7 @@ export function canvasToTempFilePath ({
   destHeight,
   canvasId,
   fileType,
-  qualit
+  quality
 }, callbackId) {
   var pageId = getCurrentPageId()
   if (!pageId) {
@@ -897,7 +897,7 @@ export function canvasToTempFilePath ({
     destWidth,
     destHeight,
     fileType,
-    qualit,
+    quality,
     dirname,
     callbackId: cId
   })
diff --git a/src/core/view/components/canvas/index.vue b/src/core/view/components/canvas/index.vue
index a4c885381faddbd16fa1bad6f75bd41d194452fe..4af85af7679d066d177ad989ae7d3b10c27ecdde 100644
--- a/src/core/view/components/canvas/index.vue
+++ b/src/core/view/components/canvas/index.vue
@@ -363,7 +363,7 @@ export default {
       destHeight,
       hidpi = true,
       dataType,
-      qualit = 1,
+      quality = 1,
       type = 'png',
       callbackId
     }) {
@@ -399,7 +399,7 @@ export default {
       try {
         let compressed
         if (dataType === 'base64') {
-          data = newCanvas.toDataURL(`image/${type}`, qualit)
+          data = newCanvas.toDataURL(`image/${type}`, quality)
         } else {
           const imgData = context.getImageData(0, 0, destWidth, destHeight)
           if (__PLATFORM__ === 'app-plus') {
@@ -480,7 +480,7 @@ export default {
       destWidth,
       destHeight,
       fileType,
-      qualit,
+      quality,
       dirname,
       callbackId
     }) {
@@ -494,7 +494,7 @@ export default {
         hidpi: false,
         dataType: 'base64',
         type: fileType,
-        qualit
+        quality
       })
       if (!res.data || !res.data.length) {
         UniViewJSBridge.publishHandler('onCanvasMethodCallback', {