diff --git a/ignition-msgs7.spec b/ignition-msgs7.spec
index feafa93ab54ddb5ed33b77446c09afb3b242402f..e591f2b9b95341669a5c8a9b0a4d3cdd37a5e533 100644
--- a/ignition-msgs7.spec
+++ b/ignition-msgs7.spec
@@ -11,14 +11,16 @@ Source0:        ignition-msgs-7.2.0.tar.gz
 
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
-BuildRequires:  protobuf2-devel
-BuildRequires:  protobuf2-compiler
+BuildRequires:  protobuf-devel >= 3
+BuildRequires:  protobuf-compiler >= 3
 BuildRequires:  ignition-cmake-devel >= 2
 BuildRequires:  ignition-math-devel >= 6
 BuildRequires:  ignition-tools-devel >= 1.5.0
 BuildRequires:  abseil-cpp-devel
 BuildRequires:  pkgconfig
 BuildRequires:  tinyxml2-devel
+BuildRequires:  ruby
+BuildRequires:  ruby-devel
 
 %description
 Ignition msgs is a component in the Ignition framework, a set of libraries
@@ -58,35 +60,52 @@ make %{?_smp_mflags}
 cd build
 make install DESTDIR=%{buildroot}
 
-# 更安全的路径修复方式（处理已存在目录的情况）
+# --- 关键修正逻辑开始 ---
+
+# 1. 处理 /usr/usr 双重前缀问题 (先合并这个)
 if [ -d "%{buildroot}/usr/usr" ]; then
-    # 移动 lib64 内容（如果目标目录已存在则合并）
-    if [ -d "%{buildroot}/usr/usr/lib64" ]; then
-        mkdir -p %{buildroot}/usr/lib64
-        cp -a %{buildroot}/usr/usr/lib64/* %{buildroot}/usr/lib64/
-        rm -rf %{buildroot}/usr/usr/lib64
-    fi
-    
-    # 移动其他目录
-    for dir in %{buildroot}/usr/usr/*; do
-        if [ -e "$dir" ]; then
-            mkdir -p %{buildroot}/usr/$(basename "$dir")
-            mv -n "$dir"/* %{buildroot}/usr/$(basename "$dir")/
-        fi
-    done
-    
-    # 清理空目录
+    cp -a %{buildroot}/usr/usr/* %{buildroot}/usr/
     rm -rf %{buildroot}/usr/usr
 fi
 
-# 确保 Ruby 文件目录存在
-mkdir -p %{buildroot}%{_libdir}/ruby/ignition/msgs7
+# 2. 自动修正 Ruby 文件位置
+# 这一步会查找 cmdmsgs7.rb 到底在哪，如果不在 lib64 下，就把它移过去
+# 这样能同时解决 "安装在 /usr/lib" 和 "安装在 /usr/lib64" 的问题
+TARGET_RUBY_DIR="%{buildroot}%{_libdir}/ruby/ignition"
+mkdir -p "$TARGET_RUBY_DIR"
+
+# 查找已安装的 cmdmsgs7.rb 文件位置
+FOUND_RB=$(find %{buildroot} -name "cmdmsgs7.rb" -type f | head -n 1)
+
+if [ -n "$FOUND_RB" ]; then
+    echo "Found ruby file at: $FOUND_RB"
+    # 获取它所在的目录
+    FOUND_DIR=$(dirname "$FOUND_RB")
+    
+    # 如果找到的目录不是我们预期的目录，则移动文件
+    if [ "$FOUND_DIR" != "$TARGET_RUBY_DIR" ]; then
+        echo "Moving ruby files from $FOUND_DIR to $TARGET_RUBY_DIR"
+        mv "$FOUND_DIR"/* "$TARGET_RUBY_DIR"/
+        # 尝试删除旧的空目录 (例如 /usr/lib/ruby/ignition)
+        rmdir -p "$FOUND_DIR" 2>/dev/null || true
+    fi
+else
+    echo "WARNING: cmdmsgs7.rb was NOT generated by cmake!"
+    echo "Check build logs for Ruby detection errors."
+    # 为了让构建不报错（如果该文件不是必须的），可以生成一个空的占位符
+    # 或者如果不生成就让它失败，下面的 exit 1 会确保我们知道文件没生成
+    # exit 1 
+fi
+
+# --- 关键修正逻辑结束 ---
 
 %files
 %{_libdir}/libignition-msgs*.so.*
+# 这里使用明确的路径，因为我们在 install 阶段已经强制移动了文件
 %{_libdir}/ruby/ignition/msgs7/
-/usr/lib/ruby/ignition/cmdmsgs7.rb
+%{_libdir}/ruby/ignition/cmdmsgs7.rb
 %{_datadir}/ignition/msgs7.yaml
+%{_datadir}/ignition/ignition-msgs7/
 
 %files devel
 %{_includedir}/ignition/msgs*
@@ -96,4 +115,4 @@ mkdir -p %{buildroot}%{_libdir}/ruby/ignition/msgs7
 
 %changelog
 * Tue Aug 01 2023 Your Name <your.email@example.com> - 7.2.0-1
-- Initial package for Ignition msgs 7.2.0
\ No newline at end of file
+- Fix ruby file paths
\ No newline at end of file