代码修改

designer-base/src/main/java/com/fr/design/fun/impl/AbstractReportLengthUNITProvider.java

@@ -36,6 +36,7 @@ public abstract class AbstractReportLengthUNITProvider extends AbstractProvider
 
     @Override
     public UNIT float2UNIT(float value) {
-        return null;
+        return UNIT.ZERO;
     }
 }
+