diff --git a/apps/emqx_conf/src/emqx_conf.erl b/apps/emqx_conf/src/emqx_conf.erl
index 6668d6424..cc56d5e46 100644
--- a/apps/emqx_conf/src/emqx_conf.erl
+++ b/apps/emqx_conf/src/emqx_conf.erl
@@ -311,7 +311,7 @@ typename_to_spec("float()", _Mod) ->
 typename_to_spec("integer()", _Mod) ->
     #{type => number};
 typename_to_spec("non_neg_integer()", _Mod) ->
-    #{type => number, minimum => 1};
+    #{type => number, minimum => 0};
 typename_to_spec("number()", _Mod) ->
     #{type => number};
 typename_to_spec("string()", _Mod) ->
diff --git a/changes/ce/fix-10636.md b/changes/ce/fix-10636.md
new file mode 100644
index 000000000..56bf4bd7e
--- /dev/null
+++ b/changes/ce/fix-10636.md
@@ -0,0 +1 @@
+An issue with the MongoDB connector related to the "Max Overflow" parameter has been fixed. Previously, the minimum limit for the parameter was incorrectly set to 1 instead of allowing a minimum value of 0. This issue has been fixed, and the "Max Overflow" parameter now correctly supports a minimum value of 0.