[Fix][core] Fix some bugs about the knowledge metadata

2 files changed, 3 insertions, 1 deletions

diff --git a/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractMultipleKnowledgeBaseHandler.java b/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractMultipleKnowledgeBaseHandler.java
index 6f8dfa8..4bbafd5 100644
--- a/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractMultipleKnowledgeBaseHandler.java
+++ b/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractMultipleKnowledgeBaseHandler.java
@@ -79,12 +79,14 @@ public abstract class AbstractMultipleKnowledgeBaseHandler extends AbstractKnowl
     protected Boolean ifNeedUpdate() {
         Map<String, KnowLedgeBaseFileMeta> knowledgeMetedataMap = getMetadata(knowledgeBaseConfig.getFsPath());
         if (knowledgeMetedataMap.size() != knowledgeMetedataCacheMap.size()) {
+            this.knowledgeMetedataCacheMap = knowledgeMetedataMap;
             return true;
         }
         for (String id : knowledgeMetedataCacheMap.keySet()) {
             if (knowledgeMetedataMap.containsKey(id) && knowledgeMetedataCacheMap.get(id).getSha256().equals(knowledgeMetedataMap.get(id).getSha256())) {
                 continue;
             }
+            this.knowledgeMetedataCacheMap = knowledgeMetedataMap;
             return true;
         }
         return false;
diff --git a/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractSingleKnowledgeBaseHandler.java b/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractSingleKnowledgeBaseHandler.java
index cd831de..f44df1f 100644
--- a/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractSingleKnowledgeBaseHandler.java
+++ b/groot-core/src/main/java/com/geedgenetworks/core/udf/knowlegdebase/handler/AbstractSingleKnowledgeBaseHandler.java
@@ -63,7 +63,7 @@ public abstract class AbstractSingleKnowledgeBaseHandler extends AbstractKnowled
 
     protected Boolean ifNeedUpdate() {
         KnowLedgeBaseFileMeta knowledgeMetedata = getMetadata(knowledgeBaseConfig.getFsType(), knowledgeBaseConfig.getFsPath(), knowledgeBaseConfig.getFiles().get(0));
-        if (knowledgeMetedata == null || knowledgeMetedata.getSha256() == null) {
+        if (knowledgeMetedata == null || "".equals(knowledgeMetedata.getSha256())) {
             return false;
         }
         if (knowledgeMetedataCache == null || knowledgeMetedataCache.getSha256() == null) {