fix proto conflict

demo-serving/conf/cube.conf

 [{
-    "dict_name": "dict",
+    "dict_name": "test_dict",
     "shard": 2,
     "dup": 1,
     "timeout": 200,

demo-serving/conf/model_toolkit.prototxt

+engines {
+  name: "image_classification_resnet"
+  type: "FLUID_CPU_ANALYSIS_DIR"
+  reloadable_meta: "./data/model/paddle/fluid_time_file"
+  reloadable_type: "timestamp_ne"
+  model_data_path: "./data/model/paddle/fluid/SE_ResNeXt50_32x4d"
+  runtime_thread_num: 0
+  batch_infer_size: 0
+  enable_batch_align: 0  
+  enable_memory_optimization: true
+  static_optimization: false
+  force_update_static_cache: false
+}
+
+engines {
+  name: "text_classification_bow"
+  type: "FLUID_CPU_ANALYSIS_DIR"
+  reloadable_meta: "./data/model/paddle/fluid_time_file"
+  reloadable_type: "timestamp_ne"
+  model_data_path: "./data/model/paddle/fluid/text_classification_lstm"
+  runtime_thread_num: 0
+  batch_infer_size: 0
+  enable_batch_align: 0
+}
+
+engines {
+  name: "ctr_prediction"
+  type: "FLUID_CPU_ANALYSIS_DIR"
+  reloadable_meta: "./data/model/paddle/fluid_time_file"
+  reloadable_type: "timestamp_ne"
+  model_data_path: "./data/model/paddle/fluid/ctr_prediction"
+  runtime_thread_num: 0
+  batch_infer_size: 0
+  enable_batch_align: 0
+  sparse_param_service_type: REMOTE
+  sparse_param_service_table_name: "test_dict"
+}
+
 engines {
   name: "bert"
-  type: "FLUID_GPU_ANALYSIS_DIR"
+  type: "FLUID_CPU_ANALYSIS_DIR"
   reloadable_meta: "./data/model/paddle/fluid_time_file"
   reloadable_type: "timestamp_ne"
   model_data_path: "./data/model/paddle/fluid/bert"