diff --git a/bundle.json b/bundle.json
index a5d063b3546536a2edb15ffb960748806663b755..5a87a4687de7b44d5d85c8a60070cc6db629e088 100644
--- a/bundle.json
+++ b/bundle.json
@@ -14,7 +14,10 @@
     "component": {
         "name": "samgr",
         "subsystem": "systemabilitymgr",
-        "features": [ "samgr_feature_coverage" ],
+        "features": [
+            "samgr_feature_coverage",
+            "samgr_enable_extend_load_timeout"
+        ],
         "adapted_system_type": [
             "standard"
         ],
diff --git a/config.gni b/config.gni
new file mode 100644
index 0000000000000000000000000000000000000000..97b89d8e4ce6b3e9513e5e3bd15de56a15fbd350
--- /dev/null
+++ b/config.gni
@@ -0,0 +1,17 @@
+# Copyright (c) 2025 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+declare_args() {
+  # enable extend load sa timeout.
+  samgr_enable_extend_load_timeout = false
+}
diff --git a/frameworks/native/source/system_ability_manager_proxy.cpp b/frameworks/native/source/system_ability_manager_proxy.cpp
index 98e550f91c300cf69a8e5e26c2121986c115599c..3a7186e54b9068ee30cb6ce3e18cdb4de5be851b 100644
--- a/frameworks/native/source/system_ability_manager_proxy.cpp
+++ b/frameworks/native/source/system_ability_manager_proxy.cpp
@@ -37,7 +37,11 @@
 using namespace std;
 namespace OHOS {
 namespace {
+#ifdef SAMGR_ENABLE_EXTEND_LOAD_TIMEOUT
+const int32_t MAX_TIMEOUT = 12;
+#else
 const int32_t MAX_TIMEOUT = 4;
+#endif
 const int32_t MIN_TIMEOUT = 0;
 const int32_t RETRY_TIME_OUT_NUMBER = 6;
 const int32_t SLEEP_INTERVAL_TIME = 200;
diff --git a/interfaces/innerkits/samgr_proxy/BUILD.gn b/interfaces/innerkits/samgr_proxy/BUILD.gn
index deb1feeb7a86620f96dd51de661d909d5a357923..852f0b1c840202dd788a197029b3d60ae180bf74 100644
--- a/interfaces/innerkits/samgr_proxy/BUILD.gn
+++ b/interfaces/innerkits/samgr_proxy/BUILD.gn
@@ -13,6 +13,7 @@
 
 import("//build/ohos.gni")
 import("//build/ohos_var.gni")
+import("../../../config.gni")
 
 config("samgr_proxy_config") {
   include_dirs = [ "include" ]
@@ -79,6 +80,9 @@ ohos_shared_library("samgr_proxy") {
       "json:nlohmann_json_static",
     ]
 
+    if (samgr_enable_extend_load_timeout) {
+      defines += [ "SAMGR_ENABLE_EXTEND_LOAD_TIMEOUT" ]
+    }
     part_name = "samgr"
   }
 
diff --git a/services/samgr/native/BUILD.gn b/services/samgr/native/BUILD.gn
index 9e49bdd24fd4514f2dd6dccf16e4818a4ce59d15..5dc900c02d2742f1a01acf8c52fd57a91c127050 100644
--- a/services/samgr/native/BUILD.gn
+++ b/services/samgr/native/BUILD.gn
@@ -13,6 +13,7 @@
 
 import("//build/ohos.gni")
 import("//build/ohos_var.gni")
+import("../../../config.gni")
 import("../var.gni")
 
 config("distributed_store_config") {
@@ -143,6 +144,10 @@ ohos_executable("samgr") {
       external_deps += [ "preferences:native_preferences" ]
       defines += [ "PREFERENCES_ENABLE" ]
     }
+
+    if (samgr_enable_extend_load_timeout) {
+      defines += [ "SAMGR_ENABLE_EXTEND_LOAD_TIMEOUT" ]
+    }
     part_name = "samgr"
   }
 
diff --git a/services/samgr/native/source/system_ability_manager.cpp b/services/samgr/native/source/system_ability_manager.cpp
index e65c34e9de8f603469f8ebe72daf218da2e34edc..113ab008ae59f20495a204e5ebbe619304dd4a2d 100644
--- a/services/samgr/native/source/system_ability_manager.cpp
+++ b/services/samgr/native/source/system_ability_manager.cpp
@@ -76,7 +76,11 @@ constexpr int32_t DEVICE_INFO_SERVICE_SA = 3902;
 constexpr int32_t HIDUMPER_SERVICE_SA = 1212;
 constexpr int32_t MEDIA_ANALYSIS_SERVICE_SA = 10120;
 constexpr int64_t ONDEMAND_PERF_DELAY_TIME = 60 * 1000; // ms
+#ifdef SAMGR_ENABLE_EXTEND_LOAD_TIMEOUT
+constexpr int64_t CHECK_LOADED_DELAY_TIME = 12 * 1000; // ms
+#else
 constexpr int64_t CHECK_LOADED_DELAY_TIME = 4 * 1000; // ms
+#endif
 constexpr int32_t SOFTBUS_SERVER_SA_ID = 4700;
 constexpr int32_t FIRST_DUMP_INDEX = 0;
 }