diff --git a/interfaces/inner_kits/test/unittest/common/distributedhardwarefwkkit/src/distributed_hardware_fwk_kit_test.cpp b/interfaces/inner_kits/test/unittest/common/distributedhardwarefwkkit/src/distributed_hardware_fwk_kit_test.cpp
index cf879724198c28d8ea5974d8361f8b59029cfa9c..8ed0a1110541728130f36e3fee9418ff39c20ff1 100644
--- a/interfaces/inner_kits/test/unittest/common/distributedhardwarefwkkit/src/distributed_hardware_fwk_kit_test.cpp
+++ b/interfaces/inner_kits/test/unittest/common/distributedhardwarefwkkit/src/distributed_hardware_fwk_kit_test.cpp
@@ -409,7 +409,7 @@ HWTEST_F(DistributedHardwareFwkKitTest, StopDistributedHardware_001, testing::ex
         return;
     }
     DHType dhType = DHType::CAMERA;
-    std::string networkId = "networkId_test";
+    std::string networkId = "networkId_test_123";
     int32_t ret = dhfwkPtr_->StopDistributedHardware(dhType, networkId);
     EXPECT_EQ(ERR_DH_FWK_POINTER_IS_NULL, ret);
 }