diff --git a/gather_program/src/main/java/org/ossean/gather/process/GatherProcess.java b/gather_program/src/main/java/org/ossean/gather/process/GatherProcess.java
index b97de7363..83d40f795 100644
--- a/gather_program/src/main/java/org/ossean/gather/process/GatherProcess.java
+++ b/gather_program/src/main/java/org/ossean/gather/process/GatherProcess.java
@@ -54,6 +54,7 @@ public class GatherProcess {
 			} catch (InterruptedException e) {
 				logger.error(e);
 			}
+			System.gc();  //手动垃圾回收
 		}
 		
 	}