diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/initializer/VersionUpgradeInitializer.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/initializer/VersionUpgradeInitializer.java
index 5c5f69e28..c0bd70ebb 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/initializer/VersionUpgradeInitializer.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/initializer/VersionUpgradeInitializer.java
@@ -108,7 +108,7 @@ public class VersionUpgradeInitializer implements ApplicationRunner {
             String line;
             while ((line = reader.readLine()) != null) {
                 if (!line.startsWith("-- ")) {
-                    scriptBuilder.append(line);
+                    scriptBuilder.append(line).append(" ");
                 }
             }