diff --git a/qdox-2.0-M9.tar.gz b/qdox-2.0-M9.tar.gz
deleted file mode 100644
index 59b8076..0000000
Binary files a/qdox-2.0-M9.tar.gz and /dev/null differ
diff --git a/qdox-2.0.3.tar.gz b/qdox-2.0.3.tar.gz
new file mode 100644
index 0000000..343dd35
Binary files /dev/null and b/qdox-2.0.3.tar.gz differ
diff --git a/qdox.spec b/qdox.spec
index 1a89a40..a16a19e 100644
--- a/qdox.spec
+++ b/qdox.spec
@@ -2,14 +2,14 @@
 %global grammar src/grammar
 
 Name:           qdox
-Version:        2.0
-Release:        5.M9
+Version:        2.0.3
+Release:        1
 Summary:        High speed and small footprint parser
 Epoch:          0
 License:        ASL 2.0
 URL:            https://github.com/paul-hammant/qdox
 BuildArch:      noarch
-Source0:        qdox-%{version}-M9.tar.gz
+Source0:        https://github.com/paul-hammant/qdox/archive/%{name}-%{version}/%{name}-%{version}.tar.gz
 Source1:        qdox-MANIFEST.MF
 BuildRequires:  maven-local byaccj jflex
 BuildRequires:  mvn(org.apache.maven.plugins:maven-assembly-plugin)
@@ -30,24 +30,33 @@ Javadocs for qdox.
 
 
 %prep
-%autosetup -n qdox-%{version}-M9
+%autosetup -n %{name}-%{name}-%{version}
 find -name *.jar -delete
-rm -rf bootstrap
+	
+%pom_remove_parent
 
 %pom_remove_plugin :animal-sniffer-maven-plugin
+%pom_remove_plugin :maven-assembly-plugin
 %pom_remove_plugin :maven-failsafe-plugin
-%pom_remove_plugin :maven-jflex-plugin
+%pom_remove_plugin :maven-invoker-plugin
+%pom_remove_plugin :jflex-maven-plugin
 %pom_remove_plugin :maven-enforcer-plugin
+%pom_remove_plugin :exec-maven-plugin
+
 %mvn_file : qdox
 %mvn_alias : qdox:qdox
-%pom_xpath_set pom:workingDirectory '${basedir}/%{impl}'
 
 %build
-for i in lexer commentlexer; do
- jflex --inputstreamctor -d %{impl} %{grammar}/$i.flex
-done
+	
+jflex -d src/main/java/com/thoughtworks/qdox/parser/impl src/grammar/lexer.flex
+jflex -d src/main/java/com/thoughtworks/qdox/parser/impl src/grammar/commentlexer.flex
+ 
+(cd ./src/main/java/com/thoughtworks/qdox/parser/impl
+ byaccj -v -Jnorun -Jnoconstruct -Jclass=DefaultJavaCommentParser -Jpackage=com.thoughtworks.qdox.parser.impl ../../../../../../../grammar/commentparser.y
+ byaccj -v -Jnorun -Jnoconstruct -Jclass=Parser -Jimplements=CommentHandler -Jsemantic=Value -Jpackage=com.thoughtworks.qdox.parser.impl -Jstack=500 ../../../../../../../grammar/parser.y
+)
 
-%mvn_build -f -- -Dqdox.byaccj.executable=byaccj
+%mvn_build  -f -- -Dmaven.compiler.source=1.8 -Dmaven.compiler.target=1.8
 
 jar ufm target/qdox-%{version}*.jar %{SOURCE1}
 
@@ -61,5 +70,8 @@ jar ufm target/qdox-%{version}*.jar %{SOURCE1}
 %doc README.md
 
 %changelog
-* Mon Dec 9 2019 zhujunhao <zhujunhao5@huawei.com> 2.0-5.M9
+* Tue Aug 22 2023 xu_ping <707078654@qq.com> 0:2.0.3-1
+- Upgrade version to 2.0.3
+
+* Mon Dec 9 2019 zhujunhao <zhujunhao5@huawei.com> 0:2.0-5.M9
 - Package init