diff --git a/README.en.md b/README.en.md
index 96516f70a2a040bbe1595c18decb40f7682d24f8..708faba76cefcb79497234de80b10ff6e78fe41f 100644
--- a/README.en.md
+++ b/README.en.md
@@ -52,6 +52,6 @@ N/A
 ### Constraints
 
 1. The sample is only supported on Huawei phones with standard systems.
-2. HarmonyOS: HarmonyOS 6.0.0 Release or later.
+2. HarmonyOS: HarmonyOS 5.0.5 Release or later.
 3. DevEco Studio version: DevEco Studio 6.0.0 Release or later.
 4. HarmonyOS SDK version: HarmonyOS 6.0.0 Release SDK or later.
diff --git a/README.md b/README.md
index c16cc8fac9a8e88213d89668f096ac6c7b67a0cd..d40ecf77e1f198378af058ab30ddb919a82f252e 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@
 
 1.本示例仅支持标准系统上运行，支持设备：华为手机。
 
-2.HarmonyOS系统：HarmonyOS 6.0.0 Release及以上。
+2.HarmonyOS系统：HarmonyOS 5.0.5 Release及以上。
 
 3.DevEco Studio版本：DevEco Studio 6.0.0 Release及以上。
 
diff --git a/build-profile.json5 b/build-profile.json5
index 164a59ddadecdbc38e4a6bdcb8b331f5820a1193..36a8069087b79201f8af6926d93806b07ff09780 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -6,7 +6,7 @@
         "name": "default",
         "signingConfig": "default",
         "targetSdkVersion": "6.0.0(20)",
-        "compatibleSdkVersion": "6.0.0(20)",
+        "compatibleSdkVersion": "5.0.5(17)",
         "runtimeOS": "HarmonyOS"
       }
     ]