diff --git a/CHANGELOG.md b/CHANGELOG.md
index f367cf3..2030068 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 6.0.0-rc.5
+
+* Changed `updateOptions.lazyUpdate` to `true` by default. ([#533](https://github.com/ecomfe/vue-echarts/issues/533#issuecomment-809883909))
+* Only perform an additional `resize` call after init within a task. ([#533](https://github.com/ecomfe/vue-echarts/issues/533#issuecomment-809883909))
+
 ## 6.0.0-rc.4
 
 * Fix type error for `Vue2` reference.
diff --git a/README.md b/README.md
index fa380e5..50b4433 100644
--- a/README.md
+++ b/README.md
@@ -304,7 +304,7 @@ Drop `<script>` inside your HTML file and access the component via `window.VueEC
 
 <!-- vue3Scripts:start -->
 ```html
-<script src="https://cdn.jsdelivr.net/npm/vue@3.0.9"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue@3.0.11"></script>
 <script src="https://cdn.jsdelivr.net/npm/echarts@5.0.2"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-rc.4"></script>
 ```
@@ -319,7 +319,7 @@ app.component('v-chart', VueECharts)
 
 <!-- vue3Demo:start -->
 
-[Demo →](https://codesandbox.io/api/v1/sandboxes/define?parameters=N4IgZglgNgpgziAXKCA7AJjAHgOgBYAuAtlEqAMYD2qBMNSIAPAIQAiA8gMIAqAmgAoBRAASESAPgA6qRmKhSZeGAEN0CxnAIBPWAoDEygA6HhwacNEwIAc0KJhAFgAMTw1gDc0gL7TGAek0dGHU_JVV1ACNKdC11dAgAN2EIdABeSRAjQwyFC0YEgFpyPGUAJwJhZQBXAkpS-AgALxhhREpDAghqdJB2zuoMvxD4hPU4clKIDuE4UvIewgJDOEQ_P3J0VBwAKzhMKETSnFQYAj9UQyI_BKqYAAEAZhwnHABOHP9xyY6xiamK2bzDKLZardabHZ7GAHBJHE5nC5XGDFMoEOB3ACszxwACYPgE_j9fF9_jM5gsCEsVmsNltdvtDsdTudLtdbgVkSVyuiAGzYpwFOY4Bz4klEmRiggKABqtxwExUtAAgsYABRmVAWdDKAjKVUASlM5gswnqBCqpU1GpNJr6XVQ9mtNpNtCwBAAytpYI7jc6TWBqAQAGLKIjQLT2ADkAEkaDBSgAaYQZAAS0ISpwg5GUwgAcjBbhkk0rJsooEm4MpUHACnB4xAwJHfc6vAnmzbOgRvUbNX6XdgCPYMtxSsowJByMJ3ZQLeR4EX287YGBB8mQHO46UMouLK2d8JapQoJ1DD7e32D5NrNZ40OQBBaEQF-e-wHSkQdbRSnfgMovMJGAiUohmACJ_0dch_3VdAvAAUn1bcXxtPckJNWAbwwM8LwsOoIDoVcMgzcoszLZ9sOEZcCJASiyOw7VdXsABtfcbQyVgIHqcgCFo8iMkED9oB47CMiVdA81OAB3OoAGs4CEi8MmlFIYEoYRRLkkA21Qv0MndFQ5jwYRBFQaw0HnEAWOEABdfcUIvOtJngJjLKdcjUFDGA7xHMcJynGc5nMrTyIsbRDE8tdDDw-S-1HeIqhWNcMQxWDor9Dcv2ckAMScFLNLXHkcoyKyguC-jlGc7S-2AYQEjLW57AeB4MSTdyiHCtiOORbiQGEOzgosaraqgerhAeABGJwWo8u9-OUQSer6_rBrq8KcQeBwprau9RPEggpNKWSMl6kqlpqlb7DGprNvakAlMwVT1KOxbguW4bwrGjEHAADmuu89LKYojJMsyNN6yyLGK8HhBgIhDBKOAIAS1zgofGHPSCLD-pNOASnQSgJIAIWG79hAmk6sZx1R8fYcc6wIAANexJqhm1KbxiTOCPOo71KawIj1SbhEF4WcAxBCLMqv0fElk1pfIuW-xs1CFd3Txe2lrwEN7eVKFh6h8NVQiii5bqk1lGBBE4E24C1iwcCIGcaENkADGMDJ9TVz5CSlXw_CiGIQjkcQQC8UOgA)
+[Demo →](https://codesandbox.io/api/v1/sandboxes/define?parameters=N4IgZglgNgpgziAXKCA7AJjAHgOgBYAuAtlEqAMYD2qBMNSIAPAIQAiA8gMIAqAmgAoBRAASESAPgA6qRmKhSZeGAEN0CxnAIBPWAoDEygA6HhwacNEwIAc0KJhAFgAMTw1gDc0gL7TGAek0dGHU_JVV1ACNKdC11dAgAN2EIdABeSRAjQwyFC0YEgFpyPGUAJwJhZQBXAkpS-AgALxhhREpDAghqdJB2zuoMvxD4hPU4clKIDuE4UvIewgJDOEQ_P3J0VBwAKzhMKETSnFQYAj9UQyI_BKqYAAEAZhwnHABGV5z_ccmOsYmpiqzeYZRbLVbrTY7PYwA4JI4nM4XK4wYplAhwO4AVmeOAATJ8Av9fr5vgCZnMFgQlis1hstrt9odjqdzpdrrcCiiSuUMQA2HFOApzHAOAmk4kycUEBQANVuOAmKloAEFjAAKMyoCzoZQEZRqgCUpnMFmE9QIVVKWs1ptNfS6qHsNttptoWAIAGVtLAnSaXaawNQCAAxZREaBaewAcgAkjQYKUADTCDIACRhCVOEHIymEADkYLcMsnlZNlFBk3BlKg4AU4AmIGAo36XV5Ey3bZ0CD7jVr_a7sAR7BluKVlGBIORhB7KJbyPBix2XbAwEOUyB5_HShklxY27vhLVKFBOoZfX3-4fJtZrAnhyAILQiIuL_3A6UiLraKV78BlF5hEYCJSiGYAIgAp1yAAjV0C8ABSA0d1fW192Q01YFvDBz0vCw6ggOg1wyTNymzcsXxw4QV0IkAqPInCdT1ewAG0D1tDJWAgepyAIOiKIyQRP2gXicIyZV0HzU4AHc6gAazgYTLwyGUUhgShhDE-SQHbND_QyD0VDmPBhEEVBrDQBcQFY4QAF0D1Qy960meBmKs50KNQMMYHvUdx0nadZzmCztIoixtEMLz10MfCFP7Md4iqFZ10xTE4Ji_1N2_FyQExJxUq09deVyjJrOCkKGOUFydP7YBhASctbnsB4HkxZMPKICL2M4lEeJAYR7JCiwarqqAGuEB5XicVrPPvATlCE3r-oGob6oi3EHgcKb2vvMSJIIaTSjkjI-tKpbapW-xXmazaOpAZTMDUjSjsWkLlpGiLXkxBwAA5rvvfSymKYzTPMzS-qsiwSvB4QYCIQwSjgCBErckLHxhr0gmwgbTTgEp0EoSSACERp_YQJpOrGcdUfH2AnesCAADXsSaodtSm8ckzhjzqe9SmsCJ9Um4RBeFnBMUQyyqv9HxJdNaWKLl_tbLQhW908Ptpa8RC-wVShYeoAi1SIopuR65M5RgQROBNuAtYsHAiFnGhDZAAxjAyA01a-IlpV8PwohiEI5HEEAvFDoA)
 
 <!-- vue3Demo:end -->
 
diff --git a/README.zh-Hans.md b/README.zh-Hans.md
index 0b199ac..fc3baa7 100644
--- a/README.zh-Hans.md
+++ b/README.zh-Hans.md
@@ -298,7 +298,7 @@ export default {
 
 <!-- vue3Scripts:start -->
 ```html
-<script src="https://cdn.jsdelivr.net/npm/vue@3.0.9"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue@3.0.11"></script>
 <script src="https://cdn.jsdelivr.net/npm/echarts@5.0.2"></script>
 <script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.0.0-rc.4"></script>
 ```
@@ -313,7 +313,7 @@ app.component('v-chart', VueECharts)
 
 <!-- vue3Demo:start -->
 
-[Demo →](https://codesandbox.io/api/v1/sandboxes/define?parameters=N4IgZglgNgpgziAXKCA7AJjAHgOgBYAuAtlEqAMYD2qBMNSIAPAIQAiA8gMIAqAmgAoBRAASESAPgA6qRmKhSZeGAEN0CxnAIBPWAoDEygA6HhwacNEwIAc0KJhAFgAMTw1gDc0gL7TGAek0dGHU_JVV1ACNKdC11dAgAN2EIdABeSRAjQwyFC0YEgFpyPGUAJwJhZQBXAkpS-AgALxhhREpDAghqdJB2zuoMvxD4hPU4clKIDuE4UvIewgJDOEQ_P3J0VBwAKzhMKETSnFQYAj9UQyI_BKqYAAEAZhwnHABOHP9xyY6xiamK2bzDKLZardabHZ7GAHBJHE5nC5XGDFMoEOB3ACszxwACYPgE_j9fF9_jM5gsCEsVmsNltdvtDsdTudLtdbgVkSVyuiAGzYpwFOY4Bz4klEmRiggKABqtxwExUtAAgsYABRmVAWdDKAjKVUASlM5gswnqBCqpU1GpNJr6XVQ9mtNpNtCwBAAytpYI7jc6TWBqAQAGLKIjQLT2ADkAEkaDBSgAaYQZAAS0ISpwg5GUwgAcjBbhkk0rJsooEm4MpUHACnB4xAwJHfc6vAnmzbOgRvUbNX6XdgCPYMtxSsowJByMJ3ZQLeR4EX287YGBB8mQHO46UMouLK2d8JapQoJ1DD7e32D5NrNZ40OQBBaEQF-e-wHSkQdbRSnfgMovMJGAiUohmACJ_0dch_3VdAvAAUn1bcXxtPckJNWAbwwM8LwsOoIDoVcMgzcoszLZ9sOEZcCJASiyOw7VdXsABtfcbQyVgIHqcgCFo8iMkED9oB47CMiVdA81OAB3OoAGs4CEi8MmlFIYEoYRRLkkA21Qv0MndFQ5jwYRBFQaw0HnEAWOEABdfcUIvOtJngJjLKdcjUFDGA7xHMcJynGc5nMrTyIsbRDE8tdDDw-S-1HeIqhWNcMQxWDor9Dcv2ckAMScFLNLXHkcoyKyguC-jlGc7S-2AYQEjLW57AeB4MSTdyiHCtiOORbiQGEOzgosaraqgerhAeABGJwWo8u9-OUQSer6_rBrq8KcQeBwprau9RPEggpNKWSMl6kqlpqlb7DGprNvakAlMwVT1KOxbguW4bwrGjEHAADmuu89LKYojJMsyNN6yyLGK8HhBgIhDBKOAIAS1zgofGHPSCLD-pNOASnQSgJIAIWG79hAmk6sZx1R8fYcc6wIAANexJqhm1KbxiTOCPOo71KawIj1SbhEF4WcAxBCLMqv0fElk1pfIuW-xs1CFd3Txe2lrwEN7eVKFh6h8NVQiii5bqk1lGBBE4E24C1iwcCIGcaENkADGMDJ9TVz5CSlXw_CiGIQjkcQQC8UOgA)
+[Demo →](https://codesandbox.io/api/v1/sandboxes/define?parameters=N4IgZglgNgpgziAXKCA7AJjAHgOgBYAuAtlEqAMYD2qBMNSIAPAIQAiA8gMIAqAmgAoBRAASESAPgA6qRmKhSZeGAEN0CxnAIBPWAoDEygA6HhwacNEwIAc0KJhAFgAMTw1gDc0gL7TGAek0dGHU_JVV1ACNKdC11dAgAN2EIdABeSRAjQwyFC0YEgFpyPGUAJwJhZQBXAkpS-AgALxhhREpDAghqdJB2zuoMvxD4hPU4clKIDuE4UvIewgJDOEQ_P3J0VBwAKzhMKETSnFQYAj9UQyI_BKqYAAEAZhwnHABGV5z_ccmOsYmpiqzeYZRbLVbrTY7PYwA4JI4nM4XK4wYplAhwO4AVmeOAATJ8Av9fr5vgCZnMFgQlis1hstrt9odjqdzpdrrcCiiSuUMQA2HFOApzHAOAmk4kycUEBQANVuOAmKloAEFjAAKMyoCzoZQEZRqgCUpnMFmE9QIVVKWs1ptNfS6qHsNttptoWAIAGVtLAnSaXaawNQCAAxZREaBaewAcgAkjQYKUADTCDIACRhCVOEHIymEADkYLcMsnlZNlFBk3BlKg4AU4AmIGAo36XV5Ey3bZ0CD7jVr_a7sAR7BluKVlGBIORhB7KJbyPBix2XbAwEOUyB5_HShklxY27vhLVKFBOoZfX3-4fJtZrAnhyAILQiIuL_3A6UiLraKV78BlF5hEYCJSiGYAIgAp1yAAjV0C8ABSA0d1fW192Q01YFvDBz0vCw6ggOg1wyTNymzcsXxw4QV0IkAqPInCdT1ewAG0D1tDJWAgepyAIOiKIyQRP2gXicIyZV0HzU4AHc6gAazgYTLwyGUUhgShhDE-SQHbND_QyD0VDmPBhEEVBrDQBcQFY4QAF0D1Qy960meBmKs50KNQMMYHvUdx0nadZzmCztIoixtEMLz10MfCFP7Md4iqFZ10xTE4Ji_1N2_FyQExJxUq09deVyjJrOCkKGOUFydP7YBhASctbnsB4HkxZMPKICL2M4lEeJAYR7JCiwarqqAGuEB5XicVrPPvATlCE3r-oGob6oi3EHgcKb2vvMSJIIaTSjkjI-tKpbapW-xXmazaOpAZTMDUjSjsWkLlpGiLXkxBwAA5rvvfSymKYzTPMzS-qsiwSvB4QYCIQwSjgCBErckLHxhr0gmwgbTTgEp0EoSSACERp_YQJpOrGcdUfH2AnesCAADXsSaodtSm8ckzhjzqe9SmsCJ9Um4RBeFnBMUQyyqv9HxJdNaWKLl_tbLQhW908Ptpa8RC-wVShYeoAi1SIopuR65M5RgQROBNuAtYsHAiFnGhDZAAxjAyA01a-IlpV8PwohiEI5HEEAvFDoA)
 
 <!-- vue3Demo:end -->
 
diff --git a/package-lock.json b/package-lock.json
index 5768c2d..8b05eff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-echarts",
-  "version": "6.0.0-rc.3",
+  "version": "6.0.0-rc.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2347,33 +2347,57 @@
       "dev": true
     },
     "@vue/reactivity": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/@vue/reactivity/-/reactivity-3.0.7.tgz",
-      "integrity": "sha512-FotWcNNaKhqpFZrdgsUOZ1enlJ5lhTt01CNTtLSyK7jYFgZBTuw8vKsEutZKDYZ1XKotOfoeO8N3pZQqmM6Etw==",
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/@vue/reactivity/-/reactivity-3.0.11.tgz",
+      "integrity": "sha512-SKM3YKxtXHBPMf7yufXeBhCZ4XZDKP9/iXeQSC8bBO3ivBuzAi4aZi0bNoeE2IF2iGfP/AHEt1OU4ARj4ao/Xw==",
       "dev": true,
       "requires": {
-        "@vue/shared": "3.0.7"
+        "@vue/shared": "3.0.11"
+      },
+      "dependencies": {
+        "@vue/shared": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.0.11.tgz",
+          "integrity": "sha512-b+zB8A2so8eCE0JsxjL24J7vdGl8rzPQ09hZNhystm+KqSbKcAej1A+Hbva1rCMmTTqA+hFnUSDc5kouEo0JzA==",
+          "dev": true
+        }
       }
     },
     "@vue/runtime-core": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/@vue/runtime-core/-/runtime-core-3.0.7.tgz",
-      "integrity": "sha512-DBAZAwVvdmMXuyd6/9qqj/kYr/GaLTmn1L2/QLxLwP+UfhIboiTSBc/tUUb8MRk7Bb98GzNeAWkkT6AfooS3dQ==",
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/@vue/runtime-core/-/runtime-core-3.0.11.tgz",
+      "integrity": "sha512-87XPNwHfz9JkmOlayBeCCfMh9PT2NBnv795DSbi//C/RaAnc/bGZgECjmkD7oXJ526BZbgk9QZBPdFT8KMxkAg==",
       "dev": true,
       "requires": {
-        "@vue/reactivity": "3.0.7",
-        "@vue/shared": "3.0.7"
+        "@vue/reactivity": "3.0.11",
+        "@vue/shared": "3.0.11"
+      },
+      "dependencies": {
+        "@vue/shared": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.0.11.tgz",
+          "integrity": "sha512-b+zB8A2so8eCE0JsxjL24J7vdGl8rzPQ09hZNhystm+KqSbKcAej1A+Hbva1rCMmTTqA+hFnUSDc5kouEo0JzA==",
+          "dev": true
+        }
       }
     },
     "@vue/runtime-dom": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/@vue/runtime-dom/-/runtime-dom-3.0.7.tgz",
-      "integrity": "sha512-Oij4ruOtnpQpCj+/Q3JPzgpTJ1Q7+N67pA53A8KVITEtxfvKL46NN6dhAZ5NGqwX6RWZpYqWQNewITeF0pHr8g==",
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/@vue/runtime-dom/-/runtime-dom-3.0.11.tgz",
+      "integrity": "sha512-jm3FVQESY3y2hKZ2wlkcmFDDyqaPyU3p1IdAX92zTNeCH7I8zZ37PtlE1b9NlCtzV53WjB4TZAYh9yDCMIEumA==",
       "dev": true,
       "requires": {
-        "@vue/runtime-core": "3.0.7",
-        "@vue/shared": "3.0.7",
+        "@vue/runtime-core": "3.0.11",
+        "@vue/shared": "3.0.11",
         "csstype": "^2.6.8"
+      },
+      "dependencies": {
+        "@vue/shared": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.0.11.tgz",
+          "integrity": "sha512-b+zB8A2so8eCE0JsxjL24J7vdGl8rzPQ09hZNhystm+KqSbKcAej1A+Hbva1rCMmTTqA+hFnUSDc5kouEo0JzA==",
+          "dev": true
+        }
       }
     },
     "@vue/shared": {
@@ -15225,14 +15249,57 @@
       "dev": true
     },
     "vue": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/vue/-/vue-3.0.7.tgz",
-      "integrity": "sha512-8h4TikD+JabbMK9aRlBO4laG0AtNHRPHynxYgWZ9sq1YUPfzynd9Jeeb27XNyZytC7aCQRX9xe1+TQJuc181Tw==",
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/vue/-/vue-3.0.11.tgz",
+      "integrity": "sha512-3/eUi4InQz8MPzruHYSTQPxtM3LdZ1/S/BvaU021zBnZi0laRUyH6pfuE4wtUeLvI8wmUNwj5wrZFvbHUXL9dw==",
       "dev": true,
       "requires": {
-        "@vue/compiler-dom": "3.0.7",
-        "@vue/runtime-dom": "3.0.7",
-        "@vue/shared": "3.0.7"
+        "@vue/compiler-dom": "3.0.11",
+        "@vue/runtime-dom": "3.0.11",
+        "@vue/shared": "3.0.11"
+      },
+      "dependencies": {
+        "@vue/compiler-core": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/@vue/compiler-core/-/compiler-core-3.0.11.tgz",
+          "integrity": "sha512-6sFj6TBac1y2cWCvYCA8YzHJEbsVkX7zdRs/3yK/n1ilvRqcn983XvpBbnN3v4mZ1UiQycTvOiajJmOgN9EVgw==",
+          "dev": true,
+          "requires": {
+            "@babel/parser": "^7.12.0",
+            "@babel/types": "^7.12.0",
+            "@vue/shared": "3.0.11",
+            "estree-walker": "^2.0.1",
+            "source-map": "^0.6.1"
+          }
+        },
+        "@vue/compiler-dom": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/@vue/compiler-dom/-/compiler-dom-3.0.11.tgz",
+          "integrity": "sha512-+3xB50uGeY5Fv9eMKVJs2WSRULfgwaTJsy23OIltKgMrynnIj8hTYY2UL97HCoz78aDw1VDXdrBQ4qepWjnQcw==",
+          "dev": true,
+          "requires": {
+            "@vue/compiler-core": "3.0.11",
+            "@vue/shared": "3.0.11"
+          }
+        },
+        "@vue/shared": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.0.11.tgz",
+          "integrity": "sha512-b+zB8A2so8eCE0JsxjL24J7vdGl8rzPQ09hZNhystm+KqSbKcAej1A+Hbva1rCMmTTqA+hFnUSDc5kouEo0JzA==",
+          "dev": true
+        },
+        "estree-walker": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
+          "integrity": "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "vue-demi": {
diff --git a/package.json b/package.json
index 536f425..80d0355 100644
--- a/package.json
+++ b/package.json
@@ -58,12 +58,12 @@
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.29.0",
     "typescript": "^4.1.3",
-    "vue": "^3.0.5"
+    "vue": "^3.0.11"
   },
   "peerDependencies": {
     "@vue/composition-api": "^1.0.0-rc.2",
     "echarts": "^5.0.2",
-    "vue": "^2.6.12 || ^3.0.0"
+    "vue": "^2.6.12 || ^3.0.11"
   },
   "peerDependenciesMeta": {
     "@vue/composition-api": {
diff --git a/scripts/docs.js b/scripts/docs.js
index 188ef36..4a890fd 100644
--- a/scripts/docs.js
+++ b/scripts/docs.js
@@ -9,7 +9,7 @@ const { readFile, writeFile } = fs.promises;
 const CDN_PREFIX = "https://cdn.jsdelivr.net/npm/";
 
 const DEP_VERSIONS = {
-  "vue@3": "3.0.9",
+  "vue@3": "3.0.11",
   "vue@2": "2.6.12",
   "@vue/composition-api": "1.0.0-rc.3",
   echarts: "5.0.2",
diff --git a/src/ECharts.ts b/src/ECharts.ts
index ef237c7..811c381 100644
--- a/src/ECharts.ts
+++ b/src/ECharts.ts
@@ -1,7 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import {
   defineComponent,
-  ref,
   unref,
   shallowRef,
   toRef,
@@ -15,7 +14,8 @@ import {
   nextTick,
   PropType,
   watchEffect,
-  Vue2
+  Vue2,
+  getCurrentInstance
 } from "vue-demi";
 import { init as initChart } from "echarts/core";
 import {
@@ -67,7 +67,8 @@ export default defineComponent({
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   // @ts-expect-error
   setup(props, { attrs, listeners }) {
-    const root = ref<HTMLElement>();
+    type T = Required<typeof props>;
+    const root = shallowRef<HTMLElement>();
     const chart = shallowRef<EChartsType>();
     const manualOption = shallowRef<Option>();
     const defaultTheme = inject(THEME_KEY, null) as ThemeInjection;
@@ -75,10 +76,9 @@ export default defineComponent({
       INIT_OPTIONS_KEY,
       null
     ) as InitOptionsInjection;
-    const defaultUpdateOptions = inject(
-      UPDATE_OPTIONS_KEY,
-      null
-    ) as UpdateOptionsInjection;
+    const defaultUpdateOptions = inject(UPDATE_OPTIONS_KEY, {
+      lazyUpdate: true
+    }) as UpdateOptionsInjection;
     const realOption = computed(
       () => manualOption.value || props.option || Object.create(null)
     );
@@ -91,6 +91,7 @@ export default defineComponent({
     );
 
     const { autoresize, manualUpdate, loading } = toRefs(props);
+
     const theme = toRef(props, "theme");
     const initOptions = toRef(props, "initOptions");
     const loadingOptions = toRef(props, "loadingOptions");
@@ -147,9 +148,12 @@ export default defineComponent({
           instance.resize();
         }
       }
-      // Make sure the chart fits the container in next UI render (after current task)
-      nextTick(resize);
-      setTimeout(resize);
+
+      if (autoresize.value) {
+        // Try to make chart fit to container in case container size
+        // is changed synchronously or in already queued microtasks
+        nextTick(resize);
+      }
     }
 
     function setOption(option: Option, updateOptions?: UpdateOptions) {
@@ -233,17 +237,21 @@ export default defineComponent({
 
     onUnmounted(cleanup);
 
+    const chartGetter = {
+      get() {
+        return unref(chart);
+      }
+    };
+
     const exposed = {
       root,
       setOption,
       nonEventAttrs,
       ...publicApi
     };
-    Object.defineProperty(exposed, "chart", {
-      get() {
-        return unref(chart);
-      }
-    });
+
+    Object.defineProperty(getCurrentInstance(), "chart", chartGetter);
+    Object.defineProperty(exposed, "chart", chartGetter);
 
     return exposed;
   },
diff --git a/src/demo/Demo.vue b/src/demo/Demo.vue
index 40b28d0..4be76c4 100644
--- a/src/demo/Demo.vue
+++ b/src/demo/Demo.vue
@@ -557,6 +557,8 @@ export default {
   },
   mounted() {
     this.startActions();
+
+    console.log(this.$refs.pie.chart);
   }
 };
 </script>