diff --git a/packages/taro-cli/src/quickapp/style/declaration/background/index.ts b/packages/taro-cli/src/quickapp/style/declaration/background/index.ts
index ba84191e1d92..c3e3ec515e6d 100644
--- a/packages/taro-cli/src/quickapp/style/declaration/background/index.ts
+++ b/packages/taro-cli/src/quickapp/style/declaration/background/index.ts
@@ -14,22 +14,41 @@ export default {
       addDeclaration('background-image', value)
     } else {
       // 颜色值为transparent时忽略
-      if (!~value.indexOf('transparent')) {
+      if (!~value.indexOf('transparent') || !~value.indexOf('-webkit')) {
         addDeclaration('background-color', value)
       }
     }
     return 'I:'
   },
   'background-color': (value, declaration, addDeclaration) => {
-    if (~value.indexOf('transparent')) {
+    if (~value.indexOf('transparent') || !~value.indexOf('-webkit')) {
       return 'I:'
     }
   },
   'background-image': '',
-  'background-size': '',
-  'background-repeat': 'I:',
+  'background-size': (value, declaration, addDeclaration) => {
+    //最多支持2个参数,比如50% 50%
+    const len = value.split(' ')
+    if (len <= 2) {
+      return ''
+    }
+    return 'I:'
+  },
+  'background-repeat': (value, declaration, addDeclaration) => { 
+    const validValue = ['repeat', 'repeat-x', 'repeat-y', 'no-repeat']
+    if (~validValue.indexOf(value)) {
+      return ''
+    }
+    return 'I:'
+  },
   'background-attachment': 'I:',
-  'background-position': 'I:',
+  'background-position': (value, declaration, addDeclaration) => {
+    //不支持逗号分隔
+    if (~value.indexOf(',')) {
+      return 'I:'
+    }
+    return ''
+  },
   'background-origin': 'I:',
   'background-clip': 'I:'
 }
diff --git a/packages/taro-cli/src/quickapp/style/declaration/border/index.ts b/packages/taro-cli/src/quickapp/style/declaration/border/index.ts
index 6dfea0334261..807f1c8684a7 100644
--- a/packages/taro-cli/src/quickapp/style/declaration/border/index.ts
+++ b/packages/taro-cli/src/quickapp/style/declaration/border/index.ts
@@ -55,6 +55,9 @@ export default {
     setWidth(value, declaration)
   },
   'border-radius': (value, declaration, addDeclaration) => { // width也不支持百分数，后期在转换
+    if (~value.indexOf(' ')) {
+      return 'I:'
+    }
     if (~value.indexOf('%')) {
       // 其实应当按照当前组件的宽高为基准计算，但这里拿不到，暂时这样处理下。
       value = 750 / 100 * parseInt(value) + 'px'
diff --git a/packages/taro-cli/src/quickapp/style/declaration/dimension/index.ts b/packages/taro-cli/src/quickapp/style/declaration/dimension/index.ts
index 9eeeca09f8f3..1f3c071cc13d 100644
--- a/packages/taro-cli/src/quickapp/style/declaration/dimension/index.ts
+++ b/packages/taro-cli/src/quickapp/style/declaration/dimension/index.ts
@@ -2,7 +2,9 @@ export default {
   'height': (value, declaration, addDeclaration) => {
     if (~value.indexOf('auto') || ~value.indexOf('inherit')) {
       addDeclaration('display', 'flex') // 部分应用利用height:0,height:auto来实现隐藏,显示
-      //    addDeclaration('flex-direction', 'row')
+      return 'I:'
+    }
+    if (~value.indexOf('calc')) {
       return 'I:'
     }
     if (parseInt(value) === 0) {
@@ -18,7 +20,9 @@ export default {
   'width': (value, declaration, addDeclaration) => {
     if (~value.indexOf('auto') || ~value.indexOf('inherit')) {
       addDeclaration('display', 'flex') // 部分应用利用height:0,height:auto来实现隐藏,显示
-      //    addDeclaration('flex-direction', 'row')
+      return 'I:'
+    }
+    if (~value.indexOf('calc')) {
       return 'I:'
     }
     if (parseInt(value) === 0) {
@@ -26,5 +30,11 @@ export default {
       return 'I:'
     }
     return ''
+  },
+  'display': (value, declaration, addDeclaration) => {
+    if (~['flex', 'none'].indexOf(value)) {
+      return ''
+    }
+    return 'I:'
   }
 }
diff --git a/packages/taro-cli/src/quickapp/style/declaration/transform/transform.ts b/packages/taro-cli/src/quickapp/style/declaration/transform/transform.ts
index dca247ae3c3b..87f01d1cb221 100644
--- a/packages/taro-cli/src/quickapp/style/declaration/transform/transform.ts
+++ b/packages/taro-cli/src/quickapp/style/declaration/transform/transform.ts
@@ -9,5 +9,9 @@ export default {
     if (~value.indexOf('%')) {
       return 'I:'
     }
+    //不能同时出现translateX和translateY
+    if(~value.indexOf('translateX') && ~value.indexOf('translateY')) {
+      return 'I:'
+    }
   }
 }
diff --git a/packages/taro-cli/src/quickapp/style/selector/index.ts b/packages/taro-cli/src/quickapp/style/selector/index.ts
index 2301050146b5..ce738a382b68 100644
--- a/packages/taro-cli/src/quickapp/style/selector/index.ts
+++ b/packages/taro-cli/src/quickapp/style/selector/index.ts
@@ -30,5 +30,6 @@ export default function rewriter (selector, rule, output) {
     }
     return ''
   }).join('')
-  return selector
+  //替换.a.b.c .e.d为.a .b .c .e .d 
+  return selector.replace(/(\w)\./g, '$1 .')
 }
diff --git a/packages/taro-cli/src/quickapp/style/util.ts b/packages/taro-cli/src/quickapp/style/util.ts
index 340602f6bcd3..be464aba2148 100644
--- a/packages/taro-cli/src/quickapp/style/util.ts
+++ b/packages/taro-cli/src/quickapp/style/util.ts
@@ -34,13 +34,15 @@ const processDeclarationValueUnit = v => {
   } else if (~lowerCaseV.indexOf('px')) {
     const numberV = parseFloat(lowerCaseV)
     if (!isNaN(numberV)) {
-      return numberV * 2 + 'px'
+      return v.replace(numberV, numberV * 2)
     }
   } else if (~lowerCaseV.indexOf('em')) {
     const numberV = parseFloat(lowerCaseV)
     if (!isNaN(numberV)) {
-      return numberV * defaultFontSize + 'px'
+      return lowerCaseV.replace(numberV, numberV * defaultFontSize).replace('em', 'px')
     }
+  } else if (~lowerCaseV.indexOf('vh')) {
+    return lowerCaseV.replace('vh', 'px')
   }
   return v
 }