diff --git a/src/utils/convertFlowData.ts b/src/utils/convertFlowData.ts
index 25deb98..ad70d94 100644
--- a/src/utils/convertFlowData.ts
+++ b/src/utils/convertFlowData.ts
@@ -304,7 +304,11 @@ export const convertFlowData = (flowData: any, useDefault = true) => {
         target: target,
         sourceHandle: finalSourceHandle,
         targetHandle: finalTargetHandle,
-        type: 'custom'
+        type: 'custom',
+        lineType: 'api',
+        data: {
+          lineType: 'api'
+        }
       });
     }
   }
@@ -340,7 +344,11 @@ export const convertFlowData = (flowData: any, useDefault = true) => {
                 target: targetNodeId,
                 sourceHandle: sourceHandle,
                 targetHandle: targetHandle,
-                type: 'custom'
+                type: 'custom',
+                lineType: 'data',
+                data: {
+                  lineType: 'data'
+                }
               });
             }
           }