diff --git a/services/flow_update/update_bin/bin_process.cpp b/services/flow_update/update_bin/bin_process.cpp
index 4aa1330c79b128553883e345fece163ac04b78f0..c4935de37e1e8d73e61fb1f3f0a6bbba7fc1daac 100644
--- a/services/flow_update/update_bin/bin_process.cpp
+++ b/services/flow_update/update_bin/bin_process.cpp
@@ -270,6 +270,11 @@ bool UScriptInstructionBinFlowWrite::CheckEsDeviceUpdate(const Hpackage::FileInf
     return true;
 }
 
+void UScriptInstructionBinFlowWrite::SetProportion(float proportion)
+{
+    fullUpdateProportion_ = proportion;
+}
+
 int32_t UScriptInstructionBinFlowWrite::ComponentProcess(Uscript::UScriptEnv &env, PkgManager::StreamPtr stream,
                                                          const std::string &name, const Hpackage::FileInfo &fileInfo)
 {
diff --git a/services/flow_update/update_bin/bin_process.h b/services/flow_update/update_bin/bin_process.h
index 4966b74679261b1e32d8fb6e4f5e2fdfeb338ec4..df4482e06091efe1e7698db3bc51106f1074fe5f 100644
--- a/services/flow_update/update_bin/bin_process.h
+++ b/services/flow_update/update_bin/bin_process.h
@@ -28,6 +28,7 @@ public:
     UScriptInstructionBinFlowWrite() {}
     virtual ~UScriptInstructionBinFlowWrite() {}
     int32_t Execute(Uscript::UScriptEnv &env, Uscript::UScriptContext &context) override;
+    void SetProportion(float proportion);
 
 protected:
     virtual int32_t ProcessBinFile(Uscript::UScriptEnv &env, Uscript::UScriptContext &context,