solve the concatenate error. (#2011)

crazy_functions/latex_fns/latex_toolbox.py

@@ -712,7 +712,9 @@ def _merge_pdfs_ng(pdf1_path, pdf2_path, output_path):
                                     # 内部链接：跳转到文档中的某个页面
                                     dest = action.get("/D")  # 目标页或目标位置
                                     # if dest and annot.idnum in page2_annot_id:
-                                    if dest in pdf2_reader.named_destinations:
+                                    # if dest in pdf2_reader.named_destinations:
+                                    if dest and page2.annotations:
+                                        if annot in page2.annotations:
                                             # 获取原始文件中跳转信息，包括跳转页面
                                             destination = pdf2_reader.named_destinations[
                                                 dest
@@ -781,8 +783,9 @@ def _merge_pdfs_ng(pdf1_path, pdf2_path, output_path):
                                                 }
                                             )
                                     # if dest and annot.idnum in page1_annot_id:
-                                    if dest in pdf1_reader.named_destinations:
-
+                                    # if dest in pdf1_reader.named_destinations:
+                                    if dest and page1.annotations:
+                                        if annot in page1.annotations:
                                             # 获取原始文件中跳转信息，包括跳转页面
                                             destination = pdf1_reader.named_destinations[
                                                 dest