diff --git a/src/main/java/net/educoder/debugger/DebuggerController.java b/src/main/java/net/educoder/debugger/DebuggerController.java
index 0f41d1b..ef8d547 100644
--- a/src/main/java/net/educoder/debugger/DebuggerController.java
+++ b/src/main/java/net/educoder/debugger/DebuggerController.java
@@ -55,19 +55,29 @@ public class DebuggerController {
                                @RequestParam("fileOutPath") String fileOutPath,
                                @RequestParam("originExecuteFile") String originExecuteFile) throws Exception {
 
-        // 编译代码
-        compileCode(originExecuteFile);
-
-        initDebuggerInstance(mainClass, classPath);
-        outputPath = fileOutPath;
-        debugger.setInputFile(fileInputPath);
-        debugger.setOutputFile(fileOutPath);
-        for (String breakPoint : breakPoints.split(",")) {
-            String[] segmentation = breakPoint.split(":");
-            debugger.setBreakPoint(segmentation[0], Integer.valueOf(segmentation[1]));
+        try {
+            // 编译代码
+            compileCode(originExecuteFile);
+            initDebuggerInstance(mainClass, classPath);
+            outputPath = fileOutPath;
+            debugger.setInputFile(fileInputPath);
+            debugger.setOutputFile(fileOutPath);
+            for (String breakPoint : breakPoints.split(",")) {
+                String[] segmentation = breakPoint.split(":");
+                debugger.setBreakPoint(segmentation[0], Integer.valueOf(segmentation[1]));
+            }
+            debugger.startProgram();
+            return getCurrentState();
+        }catch (RuntimeException e){
+            String errorMessage = e.getMessage();
+            DebugResult result = new DebugResult();
+            result.setIs_over(true);
+            result.setCurrent_line(-1);
+            result.setExpressions(new HashMap<>());
+            result.setLocals(new HashMap<>());
+            result.setOut(errorMessage);
+            return gson.toJson(result);
         }
-        debugger.startProgram();
-        return getCurrentState();
     }
 
     /**
@@ -247,8 +257,11 @@ public class DebuggerController {
      */
     private void compileCode(String originalEvaluateFile) {
         String compilePath = "/data/workspace" + File.separator + originalEvaluateFile.substring(0, originalEvaluateFile.lastIndexOf("/") + 1);
-        String compileCommand = StringUtils.join("javac -g -cp ", compilePath, " ", "/data/workspace", File.separator, originalEvaluateFile);
+        String compileCommand = StringUtils.join("javac -g -cp ", compilePath, " ", compilePath+"*.java");
         ShellResult shellResult = ShellUtil.executeAndGetExitStatus(compileCommand);
         logger.info("编译代码command:{}, status:{}, out:{}", compileCommand, shellResult.getExitStatus(), shellResult.getOut());
+        if(shellResult.getExitStatus() != 0){
+            throw new RuntimeException(shellResult.getOut().replaceAll("/data/workspace/", ""));
+        }
     }
 }