diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index a3b07bf..90667e1 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,9 @@
+7.80
+* 优化实时投屏流畅度
+* 新增持久化 Hook 脚本支持
+* 新增 Hook RPC 支持
+* 新增数据上报支持
+
 7.76
 * 修复工具版本依赖
 * 修复 Python 版本匹配问题
diff --git a/lamda/__init__.py b/lamda/__init__.py
index ca8de97..fc3543b 100644
--- a/lamda/__init__.py
+++ b/lamda/__init__.py
@@ -2,4 +2,4 @@
 #
 # Distributed under MIT license.
 # See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
-__version__ = "7.76"
+__version__ = "7.80"
diff --git a/lamda/client.py b/lamda/client.py
index c503e20..3bbe9b5 100644
--- a/lamda/client.py
+++ b/lamda/client.py
@@ -256,6 +256,11 @@ def corner(b, position):
 TouchSequence.__getitem__ = touchSequenceIndexer
 TouchSequence.__iter__ = touchSequenceIter
 
+DataEncode = protos.DataEncode
+ScriptRuntime = protos.ScriptRuntime
+HookRpcRequest = protos.HookRpcRequest
+HookRpcResponse = protos.HookRpcResponse
+
 Bound.width = property(width)
 Bound.height = property(height)
 
@@ -960,6 +965,24 @@ def __call__(self, **kwargs):
         return ObjectUiAutomatorOpStub(self.stub, kwargs)
 
 
+class AppScriptRpcInterface(object):
+    def __init__(self, stub, application,
+                                    name):
+        self.application = application
+        self.stub = stub
+        self.name = name
+    def __call__(self, *args):
+        call_args = dict()
+        call_args["method"] = self.name
+        call_args["args"] = args
+        req = HookRpcRequest()
+        req.package = self.application.applicationId
+        req.callinfo = json.dumps(call_args)
+        result = self.stub.callScript(req)
+        r = json.loads(result.callresult)
+        return r
+
+
 class ApplicationOpStub:
     def __init__(self, stub, applicationId, user=0):
         """
@@ -1114,6 +1137,51 @@ def is_installed(self):
         req.user = self.user
         r = self.stub.isInstalled(req)
         return r.value
+    def attach_script(self, script, runtime=ScriptRuntime.RUNTIME_QJS,
+                                                    emit="",
+                                encode=DataEncode.DATA_ENCODE_NONE,
+                                standup=5):
+        """
+        向应用注入持久化 Hook 脚本
+        """
+        s = isinstance(script, str)
+        script = script.encode() if s else script
+        req = protos.HookRequest()
+        req.package     = self.applicationId
+        req.script      = script
+        req.runtime     = runtime
+        req.standup     = standup
+        req.destination = emit
+        req.encode      = encode
+        r = self.stub.attachScript(req)
+        return r.value
+    def detach_script(self):
+        """
+        移除注入应用的 Hook 脚本
+        """
+        req = protos.String(value=self.applicationId)
+        r = self.stub.detachScript(req)
+        return r.value
+    def is_attached_script(self):
+        """
+        检查使用在此应用注入了 Hook 脚本
+        """
+        req = protos.String(value=self.applicationId)
+        r = self.stub.isScriptAttached(req)
+        return r.value
+    def is_script_alive(self):
+        """
+        检查应用中的 Hook 脚本是否正常
+        """
+        req = protos.String(value=self.applicationId)
+        r = self.stub.isScriptAlive(req)
+        return r.value
+    def __getattr__(self, name):
+        """
+        调用注入应用 Hook 脚本的导出方法
+        """
+        return AppScriptRpcInterface(self.stub, self,
+                                            name)
 
 
 class ApplicationStub(BaseServiceStub):
diff --git a/lamda/rpc/application.proto b/lamda/rpc/application.proto
index 3fdedc3..168393a 100644
--- a/lamda/rpc/application.proto
+++ b/lamda/rpc/application.proto
@@ -13,6 +13,16 @@ enum GrantType {
                 GRANT_IGNORE      = 2;
 }
 
+enum DataEncode {
+        DATA_ENCODE_NONE  = 0;
+        DATA_ENCODE_ZLIB  = 1;
+}
+
+enum ScriptRuntime {
+        RUNTIME_QJS        = 0;
+        RUNTIME_V8         = 1;
+}
+
 message ApplicationRequest {
         string name             = 1;
         string permission       = 2;
@@ -83,3 +93,22 @@ message ApplicationProcesses {
 message ApplicationPkgNames {
         repeated string names   = 1;
 }
+
+message HookRequest {
+        string package          = 1;
+        bytes script            = 2;
+        ScriptRuntime runtime   = 3;
+        string destination      = 4;
+        DataEncode encode       = 5;
+        uint32 standup          = 6;
+}
+
+message HookRpcRequest {
+        string package          = 1;
+        string callinfo         = 2;
+}
+
+message HookRpcResponse {
+        string package          = 1;
+        string callresult       = 2;
+}
\ No newline at end of file
diff --git a/lamda/rpc/services.proto b/lamda/rpc/services.proto
index 0f5bc61..d534ed3 100644
--- a/lamda/rpc/services.proto
+++ b/lamda/rpc/services.proto
@@ -50,6 +50,12 @@ service Application {
     rpc addToDozeModeWhiteList(ApplicationRequest) returns (Boolean) {}
     rpc removeFromDozeModeWhiteList(ApplicationRequest) returns (Boolean) {}
     rpc getIdentifierByLabel(String) returns (String) {}
+
+    rpc callScript(HookRpcRequest) returns (HookRpcResponse) {}
+    rpc isScriptAlive(String) returns (Boolean) {}
+    rpc isScriptAttached(String) returns (Boolean) {}
+    rpc attachScript(HookRequest) returns (Boolean) {}
+    rpc detachScript(String) returns (Boolean) {}
 }
 
 service Debug {
diff --git a/tools/fridarpc.py b/tools/fridarpc.py
index 9b0c548..97791a4 100755
--- a/tools/fridarpc.py
+++ b/tools/fridarpc.py
@@ -17,7 +17,7 @@
                             help="service port")
     parser.add_argument("-f", type=argparse.FileType("r"), dest="script",
                             help="frida script", required=True)
-    parser.add_argument("-delay", type=int, dest="delay", default=1.5,
+    parser.add_argument("-delay", type=int, dest="delay", default=5,
                             help="attach after delay")
     parser.add_argument("-cert", type=str, default=cert,
                                    help="ssl cert")
@@ -26,17 +26,8 @@
     d = Device(args.device, port=args.port,
                     certificate=args.cert)
 
-    pid = d.frida.spawn(args.package)
-    d.frida.resume(pid)
-
-    time.sleep(args.delay)
-    session = d.frida.attach(pid)
-    session.on("detached", print)
-
-    sc = session.create_script(args.script.read())
-
-    sc.on("destroyed", print)
-    sc.on("message", print)
-    sc.load()
-    sc.eternalize()
+    app = d.application(args.package)
+    app.detach_script()
+    app.attach_script(args.script.read(),
+                      standup=args.delay)
     exit (0)
\ No newline at end of file