diff --git a/ge/common/formats/format_transfers/format_transfer_fractal_nz.cc b/ge/common/formats/format_transfers/format_transfer_fractal_nz.cc
index 4f597e32..df9de604 100755
--- a/ge/common/formats/format_transfers/format_transfer_fractal_nz.cc
+++ b/ge/common/formats/format_transfers/format_transfer_fractal_nz.cc
@@ -94,6 +94,7 @@ Status TransShapeToFracNz(const ShapeVector &src_shape, DataType data_type, Shap
         return ACL_ERROR_GE_SHAPE_INVALID;
       }
       return SUCCESS;
+      break;
     default:
       auto size = src_shape.size();
       int64_t times = 1;
@@ -116,6 +117,7 @@ Status TransShapeToFracNz(const ShapeVector &src_shape, DataType data_type, Shap
         return ACL_ERROR_GE_SHAPE_INVALID;
       }
       return SUCCESS;
+      break;
   }
 }
 
diff --git a/ge/common/op/ge_op_utils.cc b/ge/common/op/ge_op_utils.cc
index 429ce909..4c2043f2 100644
--- a/ge/common/op/ge_op_utils.cc
+++ b/ge/common/op/ge_op_utils.cc
@@ -346,6 +346,7 @@ Status OpUtils::SetOutputSliceData(void *data, int64_t data_size, int32_t data_t
     default:
       GELOGW("Unsupported data type: %s", TypeUtils::DataTypeToSerialString(static_cast<DataType>(data_type)).c_str());
       return PARAM_INVALID;
+      break;
   }
   return ret;
 }
diff --git a/ge/ge_local_engine/engine/host_cpu_engine.cc b/ge/ge_local_engine/engine/host_cpu_engine.cc
index d9b67736..2a17a5bb 100755
--- a/ge/ge_local_engine/engine/host_cpu_engine.cc
+++ b/ge/ge_local_engine/engine/host_cpu_engine.cc
@@ -198,6 +198,7 @@ Status HostCpuEngine::PrepareOutputs(const ge::ConstOpDescPtr &op_desc,
         GELOGW("data type %s not support.",
                TypeUtils::DataTypeToSerialString(out_desc.GetDataType()).c_str());
         return NOT_CHANGED;
+        break;
     }
   }
 
diff --git a/ge/graph/load/model_manager/model_utils.cc b/ge/graph/load/model_manager/model_utils.cc
index a31837ca..abd9878f 100755
--- a/ge/graph/load/model_manager/model_utils.cc
+++ b/ge/graph/load/model_manager/model_utils.cc
@@ -423,6 +423,7 @@ Status ModelUtils::GetVarAddr(const RuntimeParam &model_param, const ConstOpDesc
       GELOGE(PARAM_INVALID, "[Check][Param] Get mem_type:%d for offset:%ld is unsupported, check invalid",
              mem_type, offset);
       return PARAM_INVALID;
+      break;
   }
   GE_CHECK_NOTNULL(var_addr);
   return SUCCESS;
diff --git a/ge/graph/manager/graph_var_manager.cc b/ge/graph/manager/graph_var_manager.cc
index 89a4e45b..bdb09dd2 100755
--- a/ge/graph/manager/graph_var_manager.cc
+++ b/ge/graph/manager/graph_var_manager.cc
@@ -246,10 +246,13 @@ MemResource *MemResource::BuildMemResourceFromType(rtMemType_t mem_type) {
   switch (mem_type) {
     case RT_MEMORY_HBM:
       return new (std::nothrow) HbmMemResource();
+      break;
     case RT_MEMORY_RDMA_HBM:
       return new (std::nothrow) RdmaMemResource();
+      break;
     default:
       return nullptr;
+      break;
   }
 }
 
diff --git a/ge/host_kernels/add_kernel.cc b/ge/host_kernels/add_kernel.cc
index eb0ea86d..34bdd029 100644
--- a/ge/host_kernels/add_kernel.cc
+++ b/ge/host_kernels/add_kernel.cc
@@ -189,6 +189,7 @@ Status AddKernel::Compute(const OpDescPtr op_desc_ptr, const std::vector<ConstGe
     default:
       GELOGI("Add kernel data type %s not support.", TypeUtils::DataTypeToSerialString(data_type).c_str());
       return NOT_CHANGED;
+      break;
   }
 
   if (ret != SUCCESS) {
diff --git a/ge/host_kernels/empty_kernel.cc b/ge/host_kernels/empty_kernel.cc
index 68ba7f9f..0cfa6dc1 100644
--- a/ge/host_kernels/empty_kernel.cc
+++ b/ge/host_kernels/empty_kernel.cc
@@ -124,6 +124,7 @@ Status EmptyKernel::Compute(const OpDescPtr op_desc_ptr, const std::vector<Const
     default:
       GELOGW("invalid data type: %s", TypeUtils::DataTypeToSerialString(data_type).c_str());
       return NOT_CHANGED;
+      break;
   }
 
   if (ret != SUCCESS) {
diff --git a/ge/host_kernels/fill_kernel.cc b/ge/host_kernels/fill_kernel.cc
index ac46101b..63e8523e 100644
--- a/ge/host_kernels/fill_kernel.cc
+++ b/ge/host_kernels/fill_kernel.cc
@@ -115,6 +115,7 @@ Status FillKernel::Compute(const ge::OpDescPtr op_desc_ptr, const std::vector<ge
     default:
       GELOGW("invalid data type: %s", TypeUtils::DataTypeToSerialString(data_type).c_str());
       return NOT_CHANGED;
+      break;
   }
   if (ret != SUCCESS) {
     GELOGE(ret, "GenData failed, data_type: %s", TypeUtils::DataTypeToSerialString(data_type).c_str());
diff --git a/ge/host_kernels/floordiv_kernel.cc b/ge/host_kernels/floordiv_kernel.cc
index 566a45a3..d1165abc 100644
--- a/ge/host_kernels/floordiv_kernel.cc
+++ b/ge/host_kernels/floordiv_kernel.cc
@@ -244,6 +244,7 @@ Status FloorDivKernel::ComputeByDataType(DataType data_type, const std::vector<C
     default:
       GELOGW("FloorDivKernel does not support Data type:%s", TypeUtils::DataTypeToSerialString(data_type).c_str());
       return NOT_CHANGED;
+      break;
   }
   return ret;
 }
diff --git a/ge/host_kernels/floormod_kernel.cc b/ge/host_kernels/floormod_kernel.cc
index 1d101667..f0a82d62 100644
--- a/ge/host_kernels/floormod_kernel.cc
+++ b/ge/host_kernels/floormod_kernel.cc
@@ -58,6 +58,7 @@ Status CheckYIsZero(T const &y, DataType &type) {
       break;
     default:
       return INTERNAL_ERROR;
+      break;
   }
   return SUCCESS;
 }
diff --git a/ge/host_kernels/gather_v2_kernel.cc b/ge/host_kernels/gather_v2_kernel.cc
index 45445143..f81fd94e 100644
--- a/ge/host_kernels/gather_v2_kernel.cc
+++ b/ge/host_kernels/gather_v2_kernel.cc
@@ -210,6 +210,7 @@ Status GatherV2Kernel::GenData(const int64_t data_num, ConstGeTensorPtr tensor_x
     default:
       GELOGI("Only support 4 dims and below but input axis is %ld", axis);
       return NOT_CHANGED;
+      break;
   }
   return ret;
 }
@@ -269,6 +270,7 @@ Status GatherV2Kernel::Process(int64_t axis, DataType data_type, ConstGeTensorPt
     default:
       GELOGI("GatherV2Kernel does not support this Data type:%s", TypeUtils::DataTypeToSerialString(data_type).c_str());
       return NOT_CHANGED;
+      break;
   }
   return ret;
 }
diff --git a/ge/host_kernels/rsqrt_kernel.cc b/ge/host_kernels/rsqrt_kernel.cc
index f1f74a99..9dcec3cc 100755
--- a/ge/host_kernels/rsqrt_kernel.cc
+++ b/ge/host_kernels/rsqrt_kernel.cc
@@ -96,6 +96,7 @@ Status RsqrtKernel::RsqrtCompute(ConstGeTensorPtr &input_tensor_ptr, GeTensorPtr
         default:
           GELOGW("Input data type must be FP16, FP32 and DOUBLE.");
           return NOT_CHANGED;
+          break;
       }
     }
     GE_IF_BOOL_EXEC(output_tensor_ptr->SetData(reinterpret_cast<uint8_t *>(buf.get()), data_size) != GRAPH_SUCCESS,
@@ -136,6 +137,7 @@ Status RsqrtKernel::Compute(const OpDescPtr op_desc_ptr, const std::vector<Const
     default:
       GELOGW("Input data type must be FP16, FP32 and DOUBLE.");
       return NOT_CHANGED;
+      break;
   }
   if (ret != SUCCESS) {
     GELOGW("Rsqrt folding failed.");
diff --git a/ge/hybrid/node_executor/rts/rts_node_task.cc b/ge/hybrid/node_executor/rts/rts_node_task.cc
index 7b95f98a..2da00922 100644
--- a/ge/hybrid/node_executor/rts/rts_node_task.cc
+++ b/ge/hybrid/node_executor/rts/rts_node_task.cc
@@ -80,6 +80,7 @@ Status RtsNodeTask::GetScalarIndexValue(TaskContext &task_context, uint32_t inde
     default: {
       GELOGE(UNSUPPORTED, "Data type %s not index type.", TypeUtils::DataTypeToSerialString(data_type).c_str());
       return UNSUPPORTED;
+      break;
     }
   }