diff --git a/application/entry/build-profile.json5 b/application/entry/build-profile.json5
index 12369bde1fb16cd1b98b67a2ac82b22c0cb19995..f55ae85bfcf5543be74a485de3688c970f99cfef 100644
--- a/application/entry/build-profile.json5
+++ b/application/entry/build-profile.json5
@@ -17,6 +17,21 @@
   "apiType": "stageMode",
   "buildOption": {
   },
+  "buildOptionSet": [
+    {
+      "name": "release",
+      "arkOptions": {
+        "obfuscation": {
+          "ruleOptions": {
+            "enable": true,
+            "files": [
+              "./obfuscation-rules.txt"
+            ]
+          }
+        }
+      }
+    },
+  ],
   "targets": [
     {
       "name": "default",
diff --git a/application/entry/obfuscation-rules.txt b/application/entry/obfuscation-rules.txt
new file mode 100644
index 0000000000000000000000000000000000000000..272efb6ca3f240859091bbbfc7c5802d52793b0b
--- /dev/null
+++ b/application/entry/obfuscation-rules.txt
@@ -0,0 +1,23 @@
+# Define project specific obfuscation rules here.
+# You can include the obfuscation configuration files in the current module's build-profile.json5.
+#
+# For more details, see
+#   https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/source-obfuscation-V5
+
+# Obfuscation options:
+# -disable-obfuscation: disable all obfuscations
+# -enable-property-obfuscation: obfuscate the property names
+# -enable-toplevel-obfuscation: obfuscate the names in the global scope
+# -compact: remove unnecessary blank spaces and all line feeds
+# -remove-log: remove all console.* statements
+# -print-namecache: print the name cache that contains the mapping from the old names to new names
+# -apply-namecache: reuse the given cache file
+
+# Keep options:
+# -keep-property-name: specifies property names that you want to keep
+# -keep-global-name: specifies names that you want to keep in the global scope
+
+-enable-property-obfuscation
+-enable-toplevel-obfuscation
+-enable-filename-obfuscation
+-enable-export-obfuscation
\ No newline at end of file