diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index bc160925..b5726efb 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -1829,29 +1829,45 @@ public class MicroPhotoService extends Service {
     public void setStaticNetwork(String iface, String ip, String gateway, String ipPrefix, int ipPrefixLength) {
         int exitValue = -1;
         boolean success = false;
+
+
         try {
             File ethShellFile = new File(getFilesDir(), "eth.sh");
             if (ethShellFile.exists()) {
-                Process process = Runtime.getRuntime().exec("/system/xbin/su");
-                DataOutputStream os = new DataOutputStream(process.getOutputStream());
-                os.writeBytes("/system/bin/sh " + ethShellFile.getAbsolutePath() + "\n");
-                os.writeBytes("exit\n"); // 重要：退出su shell
+                Process process = null;
+                DataOutputStream os = null;
+                BufferedReader inputReader = null;
 
-                os.flush();
-                exitValue = process.waitFor();
+                try {
+                    process = Runtime.getRuntime().exec("/system/xbin/su");
+                    os = new DataOutputStream(process.getOutputStream());
+                    os.writeBytes("/system/bin/sh " + ethShellFile.getAbsolutePath() + "\n");
+                    os.writeBytes("exit\n"); // 重要：退出su shell
+
+                    os.flush();
+                    exitValue = process.waitFor();
+
+                    inputReader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+                    String line = null;
+                    StringBuilder error = new StringBuilder();
+                    while ((line = inputReader.readLine()) != null) {
+                        error.append(line);
+                        error.append("\n");
+                    }
 
-                BufferedReader reader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
-                String line = null;
-                StringBuilder error = new StringBuilder();
-                while ((line = reader.readLine()) != null) {
-                    error.append(line);
-                    error.append("\n");
-                }
+                    if (exitValue == 0) {
+                        infoLog("Add route successfully Code=" + exitValue);
+                    } else {
+                        infoLog(error.toString());
+                    }
+                } catch (Exception ex) {
 
-                if (exitValue == 0) {
-                    infoLog("Add route successfully Code=" + exitValue);
-                } else {
-                    infoLog(error.toString());
+                } finally {
+                    FilesUtils.closeFriendly(os);
+                    FilesUtils.closeFriendly(inputReader);
+                    if (process != null) {
+                        process.destroy();
+                    }
                 }
             } else {
                 Process process = Runtime.getRuntime().exec("/system/xbin/su root");