diff --git a/modules/module-ci-process-biz/src/main/java/cd/casic/ci/process/engine/worker/afl/AFLSlotCompileWorker.java b/modules/module-ci-process-biz/src/main/java/cd/casic/ci/process/engine/worker/afl/AFLSlotCompileWorker.java
index 1d1c5f75..0296a007 100644
--- a/modules/module-ci-process-biz/src/main/java/cd/casic/ci/process/engine/worker/afl/AFLSlotCompileWorker.java
+++ b/modules/module-ci-process-biz/src/main/java/cd/casic/ci/process/engine/worker/afl/AFLSlotCompileWorker.java
@@ -139,7 +139,7 @@ public class AFLSlotCompileWorker extends DockerWorker {
                     "cd "+prefix+"\n";
             return cmd;
         }
-        if ("tar".equals(suffix)) {
+        if ("gz".equals(suffix)) {
             String cmd ="tar -zxvf "+fileName+"\n" +
                     "chmod -R o+rwx "+prefix+"/\n"+
                     "cd "+prefix+"\n";