diff --git a/ppocr/postprocess/__init__.py b/ppocr/postprocess/__init__.py
index 04579a376a..66ddec5b5f 100644
--- a/ppocr/postprocess/__init__.py
+++ b/ppocr/postprocess/__init__.py
@@ -62,43 +62,43 @@
 
 
 def build_post_process(config, global_config=None):
-    support_dict = [
-        "DBPostProcess",
-        "EASTPostProcess",
-        "SASTPostProcess",
-        "FCEPostProcess",
-        "CTCLabelDecode",
-        "AttnLabelDecode",
-        "ClsPostProcess",
-        "SRNLabelDecode",
-        "PGPostProcess",
-        "DistillationCTCLabelDecode",
-        "TableLabelDecode",
-        "DistillationDBPostProcess",
-        "NRTRLabelDecode",
-        "SARLabelDecode",
-        "SEEDLabelDecode",
-        "VQASerTokenLayoutLMPostProcess",
-        "VQAReTokenLayoutLMPostProcess",
-        "PRENLabelDecode",
-        "DistillationSARLabelDecode",
-        "ViTSTRLabelDecode",
-        "ABINetLabelDecode",
-        "TableMasterLabelDecode",
-        "SPINLabelDecode",
-        "DistillationSerPostProcess",
-        "DistillationRePostProcess",
-        "VLLabelDecode",
-        "PicoDetPostProcess",
-        "CTPostProcess",
-        "RFLLabelDecode",
-        "DRRGPostprocess",
-        "CANLabelDecode",
-        "SATRNLabelDecode",
-        "ParseQLabelDecode",
-        "CPPDLabelDecode",
-        "LaTeXOCRDecode",
-    ]
+    support_dict = {
+        "DBPostProcess": DBPostProcess,
+        "EASTPostProcess": EASTPostProcess,
+        "SASTPostProcess": SASTPostProcess,
+        "FCEPostProcess": FCEPostProcess,
+        "CTCLabelDecode": CTCLabelDecode,
+        "AttnLabelDecode": AttnLabelDecode,
+        "ClsPostProcess": ClsPostProcess,
+        "SRNLabelDecode": SRNLabelDecode,
+        "PGPostProcess": PGPostProcess,
+        "DistillationCTCLabelDecode": DistillationCTCLabelDecode,
+        "TableLabelDecode": TableLabelDecode,
+        "DistillationDBPostProcess": DistillationDBPostProcess,
+        "NRTRLabelDecode": NRTRLabelDecode,
+        "SARLabelDecode": SARLabelDecode,
+        "SEEDLabelDecode": SEEDLabelDecode,
+        "VQASerTokenLayoutLMPostProcess": VQASerTokenLayoutLMPostProcess,
+        "VQAReTokenLayoutLMPostProcess": VQAReTokenLayoutLMPostProcess,
+        "PRENLabelDecode": PRENLabelDecode,
+        "DistillationSARLabelDecode": DistillationSARLabelDecode,
+        "ViTSTRLabelDecode": ViTSTRLabelDecode,
+        "ABINetLabelDecode": ABINetLabelDecode,
+        "TableMasterLabelDecode": TableMasterLabelDecode,
+        "SPINLabelDecode": SPINLabelDecode,
+        "DistillationSerPostProcess": DistillationSerPostProcess,
+        "DistillationRePostProcess": DistillationRePostProcess,
+        "VLLabelDecode": VLLabelDecode,
+        "PicoDetPostProcess": PicoDetPostProcess,
+        "CTPostProcess": CTPostProcess,
+        "RFLLabelDecode": RFLLabelDecode,
+        "DRRGPostprocess": DRRGPostprocess,
+        "CANLabelDecode": CANLabelDecode,
+        "SATRNLabelDecode": SATRNLabelDecode,
+        "ParseQLabelDecode": ParseQLabelDecode,
+        "CPPDLabelDecode": CPPDLabelDecode,
+        "LaTeXOCRDecode": LaTeXOCRDecode,
+    }
 
     if config["name"] == "PSEPostProcess":
         from .pse_postprocess import PSEPostProcess
@@ -112,7 +112,7 @@ def build_post_process(config, global_config=None):
     if global_config is not None:
         config.update(global_config)
     assert module_name in support_dict, Exception(
-        "post process only support {}".format(support_dict)
+        "post process only support {}".format(list(support_dict.keys()))
     )
-    module_class = eval(module_name)(**config)
+    module_class = support_dict[module_name](**config)
     return module_class