From 9ffc0c5ca9845fe27ce8c5ea6222dc76348fc15e Mon Sep 17 00:00:00 2001
From: bestgopher <84328409@qq.com>
Date: Wed, 1 Nov 2023 08:27:03 +0800
Subject: [PATCH] fix(mongo/backend): remove redundant code

Signed-off-by: bestgopher <84328409@qq.com>
---
 core/src/services/mongodb/backend.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/core/src/services/mongodb/backend.rs b/core/src/services/mongodb/backend.rs
index 1224bfda97d8..cafed8fb3efb 100644
--- a/core/src/services/mongodb/backend.rs
+++ b/core/src/services/mongodb/backend.rs
@@ -108,7 +108,6 @@ impl MongodbBuilder {
     pub fn key_field(&mut self, key_field: &str) -> &mut Self {
         if !key_field.is_empty() {
             self.key_field = Some(key_field.to_string());
-            self.key_field = Some(key_field.to_string());
         }
         self
     }