fix #545

example/ios/Podfile.lock

@@ -29,7 +29,7 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
-  fluwx: b1dc9ae474e933bef9ff8b82d1452989124c4848
+  fluwx: 3c7b6df42f83d444d4538f3eaeae079f12d30c37
   integration_test: 13825b8a9334a850581300559b8839134b124670
   WechatOpenSDK-XCFramework: acdeeda129efbef9532bca8a10c24e1b4b8c7d69
 

ios/fluwx.podspec

@@ -15,7 +15,15 @@ current_dir = Dir.pwd
 calling_dir = File.dirname(__FILE__)
 project_dir = calling_dir.slice(0..(calling_dir.index('/.symlinks')))
 flutter_project_dir = calling_dir.slice(0..(calling_dir.index('/ios/.symlinks')))
-cfg = YAML.load_file(File.join(flutter_project_dir, 'pubspec.yaml'))
+
+puts Psych::VERSION
+psych_version_gte_500 = Gem::Version.new(Psych::VERSION) >= Gem::Version.new('5.0.0')
+if psych_version_gte_500 == true
+    cfg = YAML.load_file(File.join(flutter_project_dir, 'pubspec.yaml'), aliases: true)
+else
+    cfg = YAML.load_file(File.join(flutter_project_dir, 'pubspec.yaml'))
+end
+
 logging_status = "WECHAT_LOGGING=0"
 
 if cfg['fluwx'] && cfg['fluwx']['debug_logging'] == true