diff --git a/packages/uni-cli-shared/lib/package.js b/packages/uni-cli-shared/lib/package.js
index a98886e4f3eb266f6ef87556e5222a66fd4ee78d..d4bc7e7b69c41a24149799f255fff0a04ceb7f86 100644
--- a/packages/uni-cli-shared/lib/package.js
+++ b/packages/uni-cli-shared/lib/package.js
@@ -35,7 +35,9 @@ module.exports = {
         if (scriptName !== name) {
           const define = uniAppOptions.scripts[scriptName].define
           Object.keys(define).forEach(name => {
-            if (typeof scriptOptions.define[name] === "undefined") {
+            if (typeof scriptOptions.define[name] !== "undefined") {
+              delete define[name]
+            } else {
               define[name] = false
             }
           })