diff --git a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadiansFunction.java b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadiansFunction.java
index e15452d3ba..635d18b9b8 100644
--- a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadiansFunction.java
+++ b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadiansFunction.java
@@ -24,6 +24,11 @@
 
 import net.sf.jsqlparser.expression.Function;
 
+/**
+ * RadiansFunction
+ * description:
+ *  - RADIANS(x)--returns radians of x, Convert degrees to radians
+ */
 @TransformFunction(names = {"radians"})
 public class RadiansFunction implements ValueParser {