diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index aa5369c..cf13eb0 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -1,5 +1,7 @@
+import org.jcnc.snow.cli.commands.CLICommand;
+
 module org.jcnc.snow.compiler {
-    uses org.jcnc.snow.cli.CLICommand;
+    uses CLICommand;
     requires java.desktop;
     requires java.logging;
     exports org.jcnc.snow.compiler.ir.core;
diff --git a/src/main/java/org/jcnc/snow/cli/commands/BuildCommand.java b/src/main/java/org/jcnc/snow/cli/commands/BuildCommand.java
index f8b9c45..13019f9 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/BuildCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/BuildCommand.java
@@ -1,6 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.pkg.dsl.CloudDSLParser;
 import org.jcnc.snow.pkg.lifecycle.LifecycleManager;
 import org.jcnc.snow.pkg.lifecycle.LifecyclePhase;
diff --git a/src/main/java/org/jcnc/snow/cli/CLICommand.java b/src/main/java/org/jcnc/snow/cli/commands/CLICommand.java
similarity index 94%
rename from src/main/java/org/jcnc/snow/cli/CLICommand.java
rename to src/main/java/org/jcnc/snow/cli/commands/CLICommand.java
index 0874cf1..5001d4d 100644
--- a/src/main/java/org/jcnc/snow/cli/CLICommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/CLICommand.java
@@ -1,4 +1,6 @@
-package org.jcnc.snow.cli;
+package org.jcnc.snow.cli.commands;
+
+import org.jcnc.snow.cli.SnowCLI;
 
 /**
  * 所有 CLI 子命令（如 compile、run 等）都必须实现的命令接口。
diff --git a/src/main/java/org/jcnc/snow/cli/commands/CleanCommand.java b/src/main/java/org/jcnc/snow/cli/commands/CleanCommand.java
index 8f42b65..184501e 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/CleanCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/CleanCommand.java
@@ -1,6 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.pkg.lifecycle.LifecycleManager;
 import org.jcnc.snow.pkg.lifecycle.LifecyclePhase;
 import org.jcnc.snow.pkg.tasks.CleanTask;
diff --git a/src/main/java/org/jcnc/snow/cli/commands/CompileCommand.java b/src/main/java/org/jcnc/snow/cli/commands/CompileCommand.java
index 6cc11e2..634e27b 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/CompileCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/CompileCommand.java
@@ -1,6 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.pkg.dsl.CloudDSLParser;
 import org.jcnc.snow.pkg.model.Project;
 import org.jcnc.snow.pkg.tasks.CompileTask;
@@ -11,20 +10,40 @@ import java.nio.file.Paths;
  * CLI 命令：编译当前项目。
  * <p>
  * 负责读取项目描述文件并委托给 {@link CompileTask}，
+ * 将 .snow 文件编译为 .water 字节码。
  * </p>
+ *
+ * <pre>
+ * 用法示例：
+ * $ snow compile -o main -d src/
+ * $ snow compile run entry.snow
+ * </pre>
  */
 public final class CompileCommand implements CLICommand {
 
+    /**
+     * 返回命令名称，用于 CLI 调用。
+     *
+     * @return 命令名称，如 "compile"
+     */
     @Override
     public String name() {
         return "compile";
     }
 
+    /**
+     * 返回命令简介，用于 CLI 帮助或命令列表展示。
+     *
+     * @return 命令描述字符串
+     */
     @Override
     public String description() {
         return "Compile .snow source files into VM byte-code (.water).";
     }
 
+    /**
+     * 打印命令用法信息。
+     */
     @Override
     public void printUsage() {
         System.out.println("Usage:");
@@ -32,14 +51,22 @@ public final class CompileCommand implements CLICommand {
         System.out.println("Options:");
         System.out.println("  run           compile then run");
         System.out.println("  -o <name>     specify output base name (without .water suffix)");
-        System.out.println("  -d <srcDir>   recursively compile all .snow files in directory");    }
+        System.out.println("  -d <srcDir>   recursively compile all .snow files in directory");
+    }
 
+    /**
+     * 执行编译任务。
+     *
+     * @param args CLI 传入的参数数组
+     * @return 执行结果码（0 表示成功）
+     * @throws Exception 执行过程中出现错误时抛出
+     */
     @Override
     public int execute(String[] args) throws Exception {
-        // 解析云项目描述文件（默认为工作目录下的 cloud.snow）
+        // 解析云项目描述文件（默认为工作目录下的 project.cloud）
         Project project = CloudDSLParser.parse(Paths.get("project.cloud"));
         // 委托给 CompileTask 处理核心编译逻辑
         new CompileTask(project, args).run();
         return 0;
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/jcnc/snow/cli/commands/InitCommand.java b/src/main/java/org/jcnc/snow/cli/commands/InitCommand.java
index 62a80b3..0e600a4 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/InitCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/InitCommand.java
@@ -1,7 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
-
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
diff --git a/src/main/java/org/jcnc/snow/cli/commands/InstallCommand.java b/src/main/java/org/jcnc/snow/cli/commands/InstallCommand.java
index 7cd0a2b..248c1db 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/InstallCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/InstallCommand.java
@@ -1,6 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.pkg.dsl.CloudDSLParser;
 import org.jcnc.snow.pkg.model.Project;
 import org.jcnc.snow.pkg.resolver.DependencyResolver;
diff --git a/src/main/java/org/jcnc/snow/cli/commands/PublishCommand.java b/src/main/java/org/jcnc/snow/cli/commands/PublishCommand.java
index 2073f91..64275bf 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/PublishCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/PublishCommand.java
@@ -1,6 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.pkg.dsl.CloudDSLParser;
 import org.jcnc.snow.pkg.lifecycle.LifecycleManager;
 import org.jcnc.snow.pkg.lifecycle.LifecyclePhase;
diff --git a/src/main/java/org/jcnc/snow/cli/commands/RunCommand.java b/src/main/java/org/jcnc/snow/cli/commands/RunCommand.java
index c81e6f8..962de82 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/RunCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/RunCommand.java
@@ -1,7 +1,5 @@
-
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.pkg.tasks.RunTask;
 
 /**
@@ -10,32 +8,58 @@ import org.jcnc.snow.pkg.tasks.RunTask;
  * 仅解析参数并委托给 {@link RunTask}，
  * 将 VM 运行逻辑下沉至 pkg 层，保持 CLI 无状态、薄封装。
  * </p>
+ *
+ * <pre>
+ * 用法示例：
+ * $ snow run main.water
+ * </pre>
  */
 public final class RunCommand implements CLICommand {
 
+    /**
+     * 返回命令名称，用于 CLI 调用。
+     *
+     * @return 命令名称，如 "run"
+     */
     @Override
     public String name() {
         return "run";
     }
 
+    /**
+     * 返回命令简介，用于 CLI 帮助或命令列表展示。
+     *
+     * @return 命令描述字符串
+     */
     @Override
     public String description() {
         return "Run the compiled VM bytecode file (.water)";
     }
 
+    /**
+     * 执行运行任务。
+     *
+     * @param args CLI 传入的参数数组
+     * @return 执行结果码（0 表示成功，非 0 表示失败）
+     * @throws Exception 执行过程中出现错误时抛出
+     */
     @Override
     public int execute(String[] args) throws Exception {
         if (args.length == 0) {
             printUsage();
             return 1;
         }
+        // 委托给 RunTask 执行字节码运行逻辑
         new RunTask(args).run();
         return 0;
     }
 
+    /**
+     * 打印命令用法信息。
+     */
     @Override
     public void printUsage() {
         System.out.println("Usage:");
-        System.out.println("  snow run <program.water> [vm-options]");
+        System.out.println("  snow run <program.water>");
     }
 }
diff --git a/src/main/java/org/jcnc/snow/cli/commands/VersionCommand.java b/src/main/java/org/jcnc/snow/cli/commands/VersionCommand.java
index c8f3af8..a7627e5 100644
--- a/src/main/java/org/jcnc/snow/cli/commands/VersionCommand.java
+++ b/src/main/java/org/jcnc/snow/cli/commands/VersionCommand.java
@@ -1,6 +1,5 @@
 package org.jcnc.snow.cli.commands;
 
-import org.jcnc.snow.cli.CLICommand;
 import org.jcnc.snow.cli.SnowCLI;
 
 /**
diff --git a/src/main/java/org/jcnc/snow/cli/utils/CLIUtils.java b/src/main/java/org/jcnc/snow/cli/utils/CLIUtils.java
index 462ead8..02c6766 100644
--- a/src/main/java/org/jcnc/snow/cli/utils/CLIUtils.java
+++ b/src/main/java/org/jcnc/snow/cli/utils/CLIUtils.java
@@ -1,6 +1,6 @@
 package org.jcnc.snow.cli.utils;
 
-import org.jcnc.snow.cli.CLICommand;
+import org.jcnc.snow.cli.commands.CLICommand;
 
 import java.util.List;
 import java.util.Map;