diff --git a/tools/converter/source/optimizer/onnxextra/OnnxGather.cpp b/tools/converter/source/optimizer/onnxextra/OnnxGather.cpp
index fd5336452..273b29782 100644
--- a/tools/converter/source/optimizer/onnxextra/OnnxGather.cpp
+++ b/tools/converter/source/optimizer/onnxextra/OnnxGather.cpp
@@ -8,6 +8,7 @@
 
 #include "MNN_generated.h"
 #include "OnnxExtraManager.hpp"
+#include "config.hpp"
 
 namespace MNN {
 namespace Express {
@@ -28,7 +29,17 @@ public:
                 }
             }
         }
-        auto output = _GatherV2(inputs[0], inputs[1], _Scalar<int>(axis));
+        auto axisVar = _Scalar<int>(axis);
+        auto config = Global<modelConfig>::Get();
+        if (config->optimizeLevel < 2) {
+            // Add negative protect, may decrease performance
+            auto rankVar = _Rank(inputs[0]);
+            axisVar = _Select(_GreaterEqual(axisVar, _Scalar<int>(0)), axisVar, axisVar + rankVar);
+            auto shapeVar = _Shape(inputs[0], true);
+            auto axisLengthVar = _Squeeze(_StridedSlice(shapeVar, _Unsqueeze(axisVar, {0}), _Unsqueeze(axisVar + _Scalar<int>(1), {0}),  _Unsqueeze(_Scalar<int32_t>(1), {0}), 0, 0, 0, 0, 0));
+            inputs[1] = _Select(_GreaterEqual(inputs[1], _Scalar<int>(0)), inputs[1], inputs[1] + axisLengthVar);
+        }
+        auto output = _GatherV2(inputs[0], inputs[1], axisVar);
         output->setName(expr->name());
         return output->expr().first;
     }