diff --git a/python/jittor/__init__.py b/python/jittor/__init__.py
index e01ca333..eb4f8240 100644
--- a/python/jittor/__init__.py
+++ b/python/jittor/__init__.py
@@ -9,7 +9,7 @@
 # file 'LICENSE.txt', which is part of this source code package.
 # ***************************************************************
 
-__version__ = '1.3.1.33'
+__version__ = '1.3.1.34'
 from jittor_utils import lock
 with lock.lock_scope():
     ori_int = int
diff --git a/python/jittor/extern/cuda/cublas/ops/cublas_batched_matmul_op.cc b/python/jittor/extern/cuda/cublas/ops/cublas_batched_matmul_op.cc
index 010309f5..6ab519a0 100644
--- a/python/jittor/extern/cuda/cublas/ops/cublas_batched_matmul_op.cc
+++ b/python/jittor/extern/cuda/cublas/ops/cublas_batched_matmul_op.cc
@@ -118,22 +118,12 @@ void CublasBatchedMatmulOp::jit_run() {
         k = bs[adim-2];
     }
     // a: [b,n,m], b: [b,m,k], c: [b,n,k]
+    #if CUDART_VERSION >= 11000
     cublasGemmAlgo_t algo = CUBLAS_GEMM_DEFAULT;
     cublasComputeType_t computeType = CUBLAS_COMPUTE_32F;
-    #if CUDART_VERSION >= 11000
     if (use_tensorcore) {
         computeType = CUBLAS_COMPUTE_32F_FAST_16F;
     }
-    #endif
-    
-    // checkCudaErrors(cublas@op@@gemmStridedBatched(handle_,
-    // CUBLAS_OP_@Trans_b, CUBLAS_OP_@Trans_a,
-    // k, n, m, &alpha,
-    // b->ptr<T>(), '@Trans_b' == 'N' ? k : m, k * m, 
-    // a->ptr<T>(), '@Trans_a' == 'N' ? m : n, n * m, &beta,
-    // c->ptr<T>(), k, k * n,
-    // batch_size));
-    
     checkCudaErrors(cublasGemmStridedBatchedEx(handle_,
     CUBLAS_OP_@Trans_b, CUBLAS_OP_@Trans_a,
     k, n, m, &alpha,
@@ -141,7 +131,15 @@ void CublasBatchedMatmulOp::jit_run() {
     a->ptr<T>(),get_dtype(a->dtype()), '@Trans_a' == 'N' ? m : n, n * m, &beta,
     c->ptr<T>(),get_dtype(c->dtype()), k, k * n,
     batch_size,computeType,algo));
-
+    #else
+    checkCudaErrors(cublas@op@@gemmStridedBatched(handle_,
+    CUBLAS_OP_@Trans_b, CUBLAS_OP_@Trans_a,
+    k, n, m, &alpha,
+    b->ptr<T>(), '@Trans_b' == 'N' ? k : m, k * m, 
+    a->ptr<T>(), '@Trans_a' == 'N' ? m : n, n * m, &beta,
+    c->ptr<T>(), k, k * n,
+    batch_size));
+    #endif
 }
 #endif
 #endif // JIT
diff --git a/python/jittor/extern/cuda/cublas/ops/cublas_matmul_op.cc b/python/jittor/extern/cuda/cublas/ops/cublas_matmul_op.cc
index ff340d62..0ed46bc4 100644
--- a/python/jittor/extern/cuda/cublas/ops/cublas_matmul_op.cc
+++ b/python/jittor/extern/cuda/cublas/ops/cublas_matmul_op.cc
@@ -75,21 +75,12 @@ void CublasMatmulOp::jit_run() {
         k = bs[0];
     }
     // a: [n,m], b: [m,k], c: [n,k]
+    #if CUDART_VERSION >= 11000
     cublasGemmAlgo_t algo = CUBLAS_GEMM_DEFAULT;
     cublasComputeType_t computeType = CUBLAS_COMPUTE_32F;
-    #if CUDART_VERSION >= 11000
     if (use_tensorcore) {
         computeType = CUBLAS_COMPUTE_32F_FAST_16F;
     }
-    #endif
-
-    // checkCudaErrors(cublas@op@@gemm(handle_, 
-    // CUBLAS_OP_@Trans_b, CUBLAS_OP_@Trans_a, 
-    // k, n, m, &alpha, 
-    // b->ptr<T>(), '@Trans_b' == 'N' ? k : m, 
-    // a->ptr<T>(), '@Trans_a' == 'N' ? m : n, &beta, 
-    // c->ptr<T>(), k));
-
     checkCudaErrors(cublasGemmEx(handle_, 
     CUBLAS_OP_@Trans_b, CUBLAS_OP_@Trans_a, 
     k, n, m, &alpha, 
@@ -97,6 +88,15 @@ void CublasMatmulOp::jit_run() {
     a->ptr<T>(),get_dtype(a->dtype()), '@Trans_a' == 'N' ? m : n, &beta, 
     c->ptr<T>(),get_dtype(c->dtype()), k,
     computeType, algo));
+    #else
+    checkCudaErrors(cublas@op@@gemm(handle_, 
+    CUBLAS_OP_@Trans_b, CUBLAS_OP_@Trans_a, 
+    k, n, m, &alpha, 
+    b->ptr<T>(), '@Trans_b' == 'N' ? k : m, 
+    a->ptr<T>(), '@Trans_a' == 'N' ? m : n, &beta, 
+    c->ptr<T>(), k));
+
+    #endif
     
 }
 #endif // JIT
diff --git a/python/jittor/src/op_compiler.cc b/python/jittor/src/op_compiler.cc
index 5e9b56bf..7945f0fe 100644
--- a/python/jittor/src/op_compiler.cc
+++ b/python/jittor/src/op_compiler.cc
@@ -294,10 +294,16 @@ string precompile(unordered_map<string,string> defs, string src, unordered_map<s
             // #define xxx
             // i      jk  l
             auto j=i+1;
-            while (j<src.size() && src[j] != ' ') j++;
+            while (j<src.size() && (src[j] != ' ' && src[j] != '\n')) j++;
+            auto mstr = src.substr(i,j-i);
+            if (mstr == "#if" || mstr == "#else" || mstr == "#endif") {
+                new_src += mstr;
+                i = j-1;
+                continue;
+            }
             ASSERT(j<src.size());
             auto k=j+1;
-            while (k<src.size() && src[k] == ' ') k++;
+            while (k<src.size() && src[k] == ' ' && src[k] != '\n') k++;
             ASSERT(k<src.size());
             auto l=k+1;
             while (l<src.size() && (src[l] != '\n')) l++;
diff --git a/python/jittor/test/test_op_compiler.py b/python/jittor/test/test_op_compiler.py
index 58a02663..01bf12e8 100644
--- a/python/jittor/test/test_op_compiler.py
+++ b/python/jittor/test/test_op_compiler.py
@@ -161,6 +161,11 @@ def test_strcmp(self):
         assert "ncclInt" in jit_precompile({"Tx":"int32"}, code)
         assert "ncclInt64" in jit_precompile({"Tx":"int64"}, code)
         
+    def test_mif(self):
+        vars = {"Tx":"float"}
+        check = lambda expr, result: \
+            self.assertEqual(jit_precompile(vars, expr), result)
+        check("#if aa>1\n@Tx\n#else\n@Tx@@1\n#endif", "#if aa>1\nfloat\n#else\nfloat1\n#endif")
 
 
 if __name__ == "__main__":