fix: Fixed #378

Author: abrahamgreyson

build/build-prod.js

@@ -4,7 +4,7 @@ const cssmin = require('gulp-clean-css');
 const rename = require('gulp-rename');
 const componentData = require('./build-tool');
 const result = `{common,behaviors,${componentData()}}`;
-const isCustom = result == `{common,behaviors}`;
+const isCustom = (result != `{common,behaviors}`);
 
 // js => js
 gulp.task('dispose-js', () => {
@@ -61,4 +61,4 @@ gulp.task('default', gulp.series(
   'dispose-wxs',
   'dispose-copy',
   'dispose-json'
-));
+));