diff --git a/src/userRoute.ts b/src/userRoute.ts
index 43e11ee..f547190 100644
--- a/src/userRoute.ts
+++ b/src/userRoute.ts
@@ -128,10 +128,10 @@ async function getAllUserCount(
     return [];
   }
   let conditions: SQL[] = [];
-  if (group) {
+  if (group !== undefined) {
     conditions.push(eq(user.group, group));
   }
-  if (zoneId) {
+  if (zoneId !== undefined) {
     conditions.push(eq(user.zone, zoneId));
   }
   if (zoneIds.length > 0) {
@@ -169,10 +169,10 @@ async function getAllUser(
     offset,
     where: (user, { eq, and }) => {
       let conditions: SQL[] = [];
-      if (group) {
+      if (group !== undefined) {
         conditions.push(eq(user.group, group));
       }
-      if (zoneId) {
+      if (zoneId !== undefined) {
         conditions.push(eq(user.zone, zoneId));
       }
       if (zoneIds.length > 0) {