diff --git a/src/main/java/org/opengauss/cmrestapi/OGCmdExecuter.java b/src/main/java/org/opengauss/cmrestapi/OGCmdExecuter.java
index 414988b8caac11722f5d680a2d9a9e21ef370c6a..0fe5f4f27031eda07ec15edb48db6667d79f334f 100644
--- a/src/main/java/org/opengauss/cmrestapi/OGCmdExecuter.java
+++ b/src/main/java/org/opengauss/cmrestapi/OGCmdExecuter.java
@@ -71,8 +71,12 @@ public class OGCmdExecuter {
             BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
             StringBuffer sb = new StringBuffer();
             String line;
-            while ((line = br.readLine()) != null) {
-                sb.append(line).append(System.lineSeparator());
+            try {
+                while ((line = br.readLine()) != null) {
+                    sb.append(line).append(System.lineSeparator());
+                }
+            }finally {
+                br.close();
             }
             int statusCode = process.waitFor();
             String resultString = sb.toString();