diff --git a/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/index.js b/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/index.js
index 957d1a4a2591cd7b1b5c775f4bd9a4faab94130e..d30810cb9c805847830f2a60310ecdd32b7a16da 100644
--- a/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/index.js
+++ b/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/index.js
@@ -4,7 +4,6 @@ var css = require('css')
 var util = require('./lib/util')
 var validateItem = require('./lib/validator').validate
 var shorthandParser = require('./lib/shorthand-parser')
-var importantStr = ' !important'
 
 // padding & margin shorthand parsing
 function convertLengthShorthand (rule, prop) {
@@ -101,8 +100,9 @@ function parse (code, done) {
 
             name = declaration.property
             value = declaration.value
-            var important = value.endsWith(importantStr)
-            value = value.replace(new RegExp(importantStr, 'g'), '')
+            var newValue = value.replace(/\s*!important/g, '')
+            var importantWeight = Number(value !== newValue)
+            value = newValue
 
             // validate declarations and collect them to result
             camelCasedName = util.hyphenedToCamelCase(name)
@@ -110,8 +110,13 @@ function parse (code, done) {
 
             /* istanbul ignore else */
             if (typeof subResult.value === 'number' || typeof subResult.value === 'string') {
-              // 增加 important 权重信息
-              ruleResult[camelCasedName] = process.env.UNI_USING_NVUE_STYLE_COMPILER ? [subResult.value, Number(important)] : subResult.value
+              if (process.env.UNI_USING_NVUE_STYLE_COMPILER) {
+                var oldValue = ruleResult[camelCasedName]
+                // 增加 important 权重信息
+                ruleResult[camelCasedName] = Array.isArray(oldValue) && oldValue[1] > importantWeight ? oldValue : [subResult.value, importantWeight]
+              } else {
+                ruleResult[camelCasedName] = subResult.value
+              }
             }
             if (subResult.log) {
               subResult.log.line = declaration.position.start.line
diff --git a/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/lib/shorthand-parser.js b/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/lib/shorthand-parser.js
index b20f5aed0540fee94a4dc2c6b6a45bfcf227fbd0..1c504753f98493780187276d2f74f6a27e0b287c 100644
--- a/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/lib/shorthand-parser.js
+++ b/packages/vue-cli-plugin-hbuilderx/packages/weex-styler/lib/shorthand-parser.js
@@ -8,7 +8,7 @@ function generateDeclaration (property, value, important, position) {
 }
 
 function clearImportant (value) {
-  var newValue = value.replace(/ !important$/, '')
+  var newValue = value.replace(/\s*!important/g, '')
   return {
     value: newValue,
     important: value !== newValue