diff --git a/OpenHarmony/MMKV/BuildProfile.ets b/OpenHarmony/MMKV/BuildProfile.ets
index e4dd3f18..80fffec9 100644
--- a/OpenHarmony/MMKV/BuildProfile.ets
+++ b/OpenHarmony/MMKV/BuildProfile.ets
@@ -14,4 +14,4 @@ export default class BuildProfile {
 	static readonly BUILD_MODE_NAME = BUILD_MODE_NAME;
 	static readonly DEBUG = DEBUG;
 	static readonly TARGET_NAME = TARGET_NAME;
-}
+}
\ No newline at end of file
diff --git a/OpenHarmony/MMKV/build-profile.json5 b/OpenHarmony/MMKV/build-profile.json5
index dcd231b0..459a4515 100644
--- a/OpenHarmony/MMKV/build-profile.json5
+++ b/OpenHarmony/MMKV/build-profile.json5
@@ -14,12 +14,13 @@
       "arkOptions": {
         "obfuscation": {
           "ruleOptions": {
-            "enable": false, // looks like we don't gain much from this
+            "enable": true,
             "files": [
               "./obfuscation-rules.txt"
             ]
-          }
-        }
+          },
+          "consumerFiles": "./consumer-rules.txt"
+        },
       },
       "nativeLib": {
         "debugSymbol": {
diff --git a/OpenHarmony/MMKV/consumer-rules.txt b/OpenHarmony/MMKV/consumer-rules.txt
new file mode 100644
index 00000000..b70754ae
--- /dev/null
+++ b/OpenHarmony/MMKV/consumer-rules.txt
@@ -0,0 +1,30 @@
+# 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://gitee.com/openharmony/arkcompiler_ets_frontend/blob/master/arkguard/README.md
+
+# 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
+
+-keep
+./src/main/ets/utils/MMKV.ets
+./src/main/ets/utils/MMKVLogLevel.ets
+./src/main/ets/utils/NativeBuffer.ets
+./src/main/ets/utils/Util.ts
+
+-keep-file-name
+MMKV
+MMKVLogLevel
+NativeBuffer
+Util
\ No newline at end of file
diff --git a/OpenHarmony/MMKV/obfuscation-rules.txt b/OpenHarmony/MMKV/obfuscation-rules.txt
index 985b2aeb..b70754ae 100644
--- a/OpenHarmony/MMKV/obfuscation-rules.txt
+++ b/OpenHarmony/MMKV/obfuscation-rules.txt
@@ -15,4 +15,16 @@
 
 # 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
\ No newline at end of file
+# -keep-global-name: specifies names that you want to keep in the global scope
+
+-keep
+./src/main/ets/utils/MMKV.ets
+./src/main/ets/utils/MMKVLogLevel.ets
+./src/main/ets/utils/NativeBuffer.ets
+./src/main/ets/utils/Util.ts
+
+-keep-file-name
+MMKV
+MMKVLogLevel
+NativeBuffer
+Util
\ No newline at end of file
diff --git a/OpenHarmony/entry/obfuscation-rules.txt b/OpenHarmony/entry/obfuscation-rules.txt
index 985b2aeb..a1dfa0bd 100644
--- a/OpenHarmony/entry/obfuscation-rules.txt
+++ b/OpenHarmony/entry/obfuscation-rules.txt
@@ -15,4 +15,8 @@
 
 # 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
\ No newline at end of file
+# -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