diff --git a/mongo-plus-core/src/main/java/com/mongoplus/strategy/conversion/impl/LongConversionStrategy.java b/mongo-plus-core/src/main/java/com/mongoplus/strategy/conversion/impl/LongConversionStrategy.java
index 6a39d0a5d42f645a55ef9b8d407b6b223fa95769..26ab511fa18e559ff80b93c451520c694f485eb0 100644
--- a/mongo-plus-core/src/main/java/com/mongoplus/strategy/conversion/impl/LongConversionStrategy.java
+++ b/mongo-plus-core/src/main/java/com/mongoplus/strategy/conversion/impl/LongConversionStrategy.java
@@ -21,7 +21,11 @@ public class LongConversionStrategy implements ConversionStrategy<Long> {
         try {
             if (fieldValue instanceof Long){
                 value = (Long) fieldValue;
-            } else {
+            } else if (fieldValue instanceof Double) {
+                value = ((Double) fieldValue).longValue();
+            } else if (fieldValue instanceof Float) {
+                value = ((Float) fieldValue).longValue();
+            }  else {
                 value = Long.parseLong(StringUtils.isNotBlankAndConvert(fieldValue));
             }
         } catch (Exception e) {