From acc0b89d5b98e3cb6ec42e234ac704323ee2de82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E8=89=AF?= <841369634@qq.com>
Date: Tue, 16 Jun 2026 21:20:43 +0800
Subject: [PATCH] fix: Fix when `source_value` is null, the result of the `ge`,
 `gt`, `le` and `lt` comparators is incorrect

---
 apps/application/flow/compare/ge_compare.py | 3 +++
 apps/application/flow/compare/gt_compare.py | 3 +++
 apps/application/flow/compare/le_compare.py | 3 +++
 apps/application/flow/compare/lt_compare.py | 3 +++
 4 files changed, 12 insertions(+)

diff --git a/apps/application/flow/compare/ge_compare.py b/apps/application/flow/compare/ge_compare.py
index bd85d0c3c52..e1cf2e7aac0 100644
--- a/apps/application/flow/compare/ge_compare.py
+++ b/apps/application/flow/compare/ge_compare.py
@@ -12,6 +12,9 @@
 class GECompare(Compare):
 
     def compare(self, source_value, compare, target_value):
+        if source_value is None:
+            return target_value is None
+
         try:
             return float(source_value) >= float(target_value)
         except Exception:
diff --git a/apps/application/flow/compare/gt_compare.py b/apps/application/flow/compare/gt_compare.py
index c83a1e765e0..fab86c4bc8c 100644
--- a/apps/application/flow/compare/gt_compare.py
+++ b/apps/application/flow/compare/gt_compare.py
@@ -12,6 +12,9 @@
 class GTCompare(Compare):
 
     def compare(self, source_value, compare, target_value):
+        if source_value is None:
+            return False
+
         try:
             return float(source_value) > float(target_value)
         except Exception:
diff --git a/apps/application/flow/compare/le_compare.py b/apps/application/flow/compare/le_compare.py
index 8b115d84b33..0ebdb394857 100644
--- a/apps/application/flow/compare/le_compare.py
+++ b/apps/application/flow/compare/le_compare.py
@@ -12,6 +12,9 @@
 class LECompare(Compare):
 
     def compare(self, source_value, compare, target_value):
+        if source_value is None:
+            return target_value is None
+
         try:
             return float(source_value) <= float(target_value)
         except Exception:
diff --git a/apps/application/flow/compare/lt_compare.py b/apps/application/flow/compare/lt_compare.py
index 6720af7f17a..ecf8d549bfd 100644
--- a/apps/application/flow/compare/lt_compare.py
+++ b/apps/application/flow/compare/lt_compare.py
@@ -12,6 +12,9 @@
 class LTCompare(Compare):
 
     def compare(self, source_value, compare, target_value):
+        if source_value is None:
+            return False
+
         try:
             return float(source_value) < float(target_value)
         except Exception: