diff --git a/framework/tools/hdi-gen/codegen/code_emitter.cpp b/framework/tools/hdi-gen/codegen/code_emitter.cpp
index d5645eb2475f49a1833966c2d956f61af1fe49e7..657a0eeaebe39ab58ee6423b0f25f4c548b24ef3 100644
--- a/framework/tools/hdi-gen/codegen/code_emitter.cpp
+++ b/framework/tools/hdi-gen/codegen/code_emitter.cpp
@@ -142,7 +142,9 @@ std::string CodeEmitter::InterfaceToFilePath(const std::string &interfaceName) c
 {
     std::string fullName = interfaceName;
     if (StringHelper::EndWith(fullName, "]")) {
-        fullName = fullName.substr(0, fullName.find("["));
+        if (interfaceName.find("[") != std::string::npos) {
+            fullName = interfaceName.substr(0, interfaceName.find("["));
+        }
     }
     size_t index = fullName.rfind(".");
     std::string prefix = fullName.substr(0, index + 1);