From b8c2e5359bb8340e4eed05edf536685fb2eacb68 Mon Sep 17 00:00:00 2001
From: JasonVV <jasonwangiii@outlook.com>
Date: Wed, 30 Oct 2024 21:56:38 +0800
Subject: [PATCH] Fixed the issue where recall the knowledge base in the
 iteration of the workflow and report errors when executing (#10060)

---
 api/factories/variable_factory.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/api/factories/variable_factory.py b/api/factories/variable_factory.py
index a758f9981f..d0c8c7e84f 100644
--- a/api/factories/variable_factory.py
+++ b/api/factories/variable_factory.py
@@ -10,6 +10,7 @@ from core.variables import (
     ArrayNumberVariable,
     ArrayObjectSegment,
     ArrayObjectVariable,
+    ArraySegment,
     ArrayStringSegment,
     ArrayStringVariable,
     FileSegment,
@@ -79,7 +80,7 @@ def build_segment(value: Any, /) -> Segment:
     if isinstance(value, list):
         items = [build_segment(item) for item in value]
         types = {item.value_type for item in items}
-        if len(types) != 1:
+        if len(types) != 1 or all(isinstance(item, ArraySegment) for item in items):
             return ArrayAnySegment(value=value)
         match types.pop():
             case SegmentType.STRING: