diff --git a/packages/uni-mp-weixin/src/compiler/options.ts b/packages/uni-mp-weixin/src/compiler/options.ts
index e67014b0969361c1e2ece43d7a503c7bb51988c6..781a92fb3454eef46700dc836cf74877ece82944 100644
--- a/packages/uni-mp-weixin/src/compiler/options.ts
+++ b/packages/uni-mp-weixin/src/compiler/options.ts
@@ -101,7 +101,7 @@ export const options: UniMiniProgramPluginOptions = {
     subpackages: true,
     plugins: true,
     normalize(appJson) {
-      if ((process.env.UNI_MP_UNIAD = true)) {
+      if (process.env.UNI_MP_UNIAD == true) {
         uniadAppJson(appJson)
       }
       return appJson