fix

src/main/java/com/mobvista/apptag/utils/GetPackageFromMongo.java

@@ -5,6 +5,7 @@ import com.mongodb.client.MongoCollection;
 import com.mongodb.client.MongoCursor;
 import com.mongodb.client.MongoDatabase;
 import com.mongodb.client.model.Filters;
+import org.apache.commons.lang3.StringUtils;
 import org.bson.Document;
 
 import java.util.HashSet;
@@ -36,10 +37,14 @@ public class GetPackageFromMongo {
 
             while (findIterable.hasNext()) {
                 String json = findIterable.next().toJson();
-                System.out.println(json);
+                if (GsonUtil.String2JsonObject(json).has("packageName")) {
                     String packageName = GsonUtil.String2JsonObject(json).get("packageName").getAsString();
+                    if (StringUtils.isNotBlank(packageName)) {
                         set.add(packageName);
                     }
+                }
+            }
+            System.out.println("packageNames.size ===>>> " + set.size());
             MySqlUtil mySqlUtil = new MySqlUtil();
             mySqlUtil.insert(set);
         } catch (Exception e) {