diff --git a/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java b/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java
index 7bbcd51c..63fab323 100644
--- a/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java
+++ b/pav-server/src/main/java/com/palnet/comn/utils/DigitalElevationModelUtils.java
@@ -66,6 +66,8 @@ public class DigitalElevationModelUtils {
                 FileUtils.copyInputStreamToFile(resource.getInputStream(), file);
 
                 log.info(">>> file : {}", file);
+                log.info(">>> file : {}", file.exists());
+                log.info(">>> file : {}", file.isFile());
 
                 AbstractGridFormat format = GridFormatFinder.findFormat(file);
                 GridCoverage2DReader reader = format.getReader(file);
@@ -79,7 +81,7 @@ public class DigitalElevationModelUtils {
                         .build());
 
             }
-        } catch (IOException e) {
+        } catch (Exception e) {
             log.warn("dem load error : {}", e.getMessage());
         }
         log.info(">>> demList size : {}", demList.size());