diff --git a/designer-base/src/main/java/com/fr/design/mainframe/JTemplate.java b/designer-base/src/main/java/com/fr/design/mainframe/JTemplate.java
index 1ccc07303..d8bc7fb48 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/JTemplate.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/JTemplate.java
@@ -406,8 +406,11 @@ public abstract class JTemplate<T extends BaseBook, U extends BaseUndoState<?>>
     }
 
     private void setTargetByFile(FILE file) {
-        this.template = JTemplateFactory.asIOFile(file, this.suffix());
-        setTarget(this.template);
+        T newTemplate = JTemplateFactory.asIOFile(file, this.suffix());
+        if (newTemplate != null) {
+            this.template = newTemplate;
+            setTarget(this.template);
+        }
     }
 
     private void addCenterPane() {