diff --git a/src/weaver/interfaces/job/WorkflowSyncCronJob.java b/src/weaver/interfaces/job/WorkflowSyncCronJob.java
index bf159f95..b8f31444 100644
--- a/src/weaver/interfaces/job/WorkflowSyncCronJob.java
+++ b/src/weaver/interfaces/job/WorkflowSyncCronJob.java
@@ -93,9 +93,11 @@ public class WorkflowSyncCronJob extends BaseCronJob {
         String workflowSql = "SELECT DISTINCT workflowselect as flowCode,workflowname as flowName,effective FROM " + workflowAuthTable +
                 " WHERE effective IN (SELECT DISTINCT effective FROM " + workflowAuthTable + ")";
         if (StringUtils.isNotEmpty(timeCondition)) {
-            workflowSql += "  AND modedatamodifydatetime >=" + timeCondition;
+            workflowSql += "  AND modedatamodifydatetime >= ?";
+            recordSet.execute(workflowSql, timeCondition);
+        } else {
+            recordSet.execute(workflowSql);
         }
-        recordSet.execute(workflowSql);
         //区分有效和无效的流程
         while (recordSet.next()) {
             String effective = recordSet.getString("effective");