diff --git a/package.json b/package.json
index 693af59..1589169 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@dcasia/mini-program-tailwind-webpack-plugin",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "让你的小程序用上原汁原味的 Tailwind/Windi CSS",
   "keywords": [
     "mini-program",
diff --git a/src/postcss/index.ts b/src/postcss/index.ts
index eb13aca..a19391a 100644
--- a/src/postcss/index.ts
+++ b/src/postcss/index.ts
@@ -15,8 +15,8 @@ export function transformSelector(options: Options) {
      * Note that in mini program environment ':not()' selector can only be used when it's combined with other selectors
      * e.g. view:not() works but the standalone :not() selector couldn't work
      */
-    customReplacement.set(/^(\.-?space-\w)(-.+?)\s.*/, spaceBetweenItems.map(item => `$1$2:not($1-reverse) > ${ item }:not([hidden]):not(:first-child), $1$2$1-reverse > ${ item }:not([hidden]):not(:last-child)`).join(', '))
-    customReplacement.set(/^(\.-?space-\w-reverse).*/, spaceBetweenItems.map(item => `$1 > ${ item }:not([hidden])`).join(', '))
+    customReplacement.set(/^(\.-?space-\w)(-.+?)\s?>.*/, spaceBetweenItems.map(item => `$1$2:not($1-reverse)>${ item }:not([hidden]):not(:first-child), $1$2$1-reverse>${ item }:not([hidden]):not(:last-child)`).join(', '))
+    customReplacement.set(/^(\.-?space-\w-reverse).*/, spaceBetweenItems.map(item => `$1>${ item }:not([hidden])`).join(', '))
 
     return {
         postcssPlugin: 'transformSelectorName',
@@ -85,7 +85,14 @@ const valueConvertor = {
 function transformAllValue(raw: string, targets: number[], unit: SourceUnit, options: Options) {
 
     for (const value of targets) {
-        raw = raw.replace(value + unit, valueConvertor[ unit ](value, options.designWidth) + TargerUnit.RPX)
+
+        /**
+         * Handle cases like '.5rem' '-.5rem' etc
+         */
+        const pattern = new RegExp((value + unit).replace(/^(-?)0(\.)/, '$10?$2').replace(/\./, '\\.'))
+
+        raw = raw.replace(pattern, valueConvertor[ unit ](value, options.designWidth) + TargerUnit.RPX)
+
     }
 
     return raw