🔊 Log with fluwx tags and only with not empty values

(cherry picked from commit d5b4f39)

ios/fluwx.podspec

@@ -21,7 +21,7 @@ end
 
 flutter_project_dir = calling_dir.slice(0..(symlinks_index))
 
-puts Psych::VERSION
+Pod::UI.puts "[fluwx] #{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)
@@ -50,25 +50,32 @@ if cfg['fluwx'] && cfg['fluwx']['ios'] && cfg['fluwx']['ios']['no_pay'] == true
 else
     fluwx_subspec = 'pay'
 end
-Pod::UI.puts "using sdk with #{fluwx_subspec}"
+Pod::UI.puts "[fluwx] Using SDK with #{fluwx_subspec}"
 
 app_id = ''
-
 if cfg['fluwx'] && cfg['fluwx']['app_id']
     app_id = cfg['fluwx']['app_id']
 end
+if !app_id.nil? && !app_id.empty?
+    Pod::UI.puts "[fluwx] app_id: #{app_id}"
+end
 
 ignore_security = ''
 if cfg['fluwx'] && cfg['fluwx']['ios'] && cfg['fluwx']['ios']['ignore_security'] == true
     ignore_security = '-i'
 end
-Pod::UI.puts "ignore_security: #{ignore_security}"
+if !ignore_security.nil? && !ignore_security.empty?
+    Pod::UI.puts "[fluwx] ignore_security: #{ignore_security}"
+end
+
 universal_link = ''
 if cfg['fluwx'] && (cfg['fluwx']['ios']  && cfg['fluwx']['ios']['universal_link'])
     universal_link = cfg['fluwx']['ios']['universal_link']
 end
+if !universal_link.nil? && !universal_link.empty?
+    Pod::UI.puts "[fluwx] universal_link: #{universal_link}"
+end
 
-Pod::UI.puts "app_id: #{app_id} universal_link: #{universal_link}"
 system("ruby #{current_dir}/wechat_setup.rb #{ignore_security} -a #{app_id} -u #{universal_link} -p #{project_dir} -n Runner.xcodeproj")
 
 Pod::Spec.new do |s|