diff --git a/debug/accuracy_tools/msprobe/ccsrc/utils/CPythonUtils.cpp b/debug/accuracy_tools/msprobe/ccsrc/utils/CPythonUtils.cpp
index fd944f62db4ff728d1aa2c5d1d5ff818bd5dcf62..d16151e4b3327091575eaabeaa6d729721ce674f 100644
--- a/debug/accuracy_tools/msprobe/ccsrc/utils/CPythonUtils.cpp
+++ b/debug/accuracy_tools/msprobe/ccsrc/utils/CPythonUtils.cpp
@@ -108,7 +108,7 @@ int32_t PythonObject::To(uint32_t& output) const
     if (!PyLong_Check(ptr)) {
         return -1;
     }
-    output = static_cast<int32_t>(PyLong_AsUnsignedLong(ptr));
+    output = static_cast<uint32_t>(PyLong_AsUnsignedLong(ptr));
     return 0;
 }