diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp
index 285036fc4ba7d7e609305b3cefbd1ec2604efcc2..506600cb898dc82808c3265ebfc3c1da70b1dceb 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp
@@ -108,13 +108,19 @@ int CheckCommon::CheckFilter(JsonObject &filterObj, bool &isOnlyId, std::vector<
         isOnlyId = false;
     }
     for (int i = 0; i < filterPath.size(); i++) {
-        for (auto fieldName : filterPath[i]) {
-            for (int j = 0; j < fieldName.size(); j++) {
-                if (!((isalpha(fieldName[j])) || (isdigit(fieldName[j])) || ('_' == fieldName[j]))) {
+        for (int j = 0; j < filterPath[i].size(); j++) {
+            if (filterPath[i].empty()) {
+                return -E_INVALID_JSON_FORMAT;
+            }
+            for (auto oneChar : filterPath[i][j]) {
+                if (!((isalpha(oneChar)) || (isdigit(oneChar)) || ('_' == oneChar))) {
                     return -E_INVALID_ARGS;
                 }
             }
         }
+        if (!filterPath[i].empty() && !filterPath[i][0].empty() && isdigit(filterPath[i][0][0])) {
+            return -E_INVALID_ARGS;
+        }
     }
     bool isIdExisit = false;
     int ret = CheckIdFormat(filterObj, isIdExisit);
@@ -284,6 +290,9 @@ bool CheckCommon::CheckProjection(JsonObject &projectionObj, std::vector<std::ve
     }
     for (int i = 0; i < path.size(); i++) {
         for (auto fieldName : path[i]) {
+            if (path[i].empty()) {
+                return -E_INVALID_JSON_FORMAT;
+            }
             for (int j = 0; j < fieldName.size(); j++) {
                 if (!((isalpha(fieldName[j])) || (isdigit(fieldName[j])) || ('_' == fieldName[j]))) {
                     return false;
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_find_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_find_test.cpp
index 3691ff168c6049fc611fd1662713284f90557390..c39de113a8778a127603886e2867d118d68e620b 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_find_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_find_test.cpp
@@ -1559,4 +1559,24 @@ HWTEST_F(DocumentFindApiTest, DocumentFindApiTest058, TestSize.Level1)
     // EXPECT_EQ(GRD_GetValue(resultSet, &value), GRD_OK);
     // CompareValue(value, g_document13);
     //EXPECT_EQ(GRD_FreeResultSet(resultSet), GRD_OK);
+}
+
+/**
+  * @tc.name: DocumentFindApiTest059
+  * @tc.desc: Test findDoc with invalid field
+  * @tc.type: FUNC
+  * @tc.require:
+  * @tc.author: mazhao
+  */
+HWTEST_F(DocumentFindApiTest, DocumentFindApiTest059, TestSize.Level1)
+{
+    /**
+     * @tc.steps: step1. Create filter with _id and get the record according to filter condition.
+     * @tc.expected: step1. Succeed to get the record, the matching record is g_document6.
+     */
+    const char *filter = "{\"123a1\":123}";
+    GRD_ResultSet *resultSet = nullptr;
+    const char *projection = "{}";
+    Query query = { filter, projection };
+    EXPECT_EQ(GRD_FindDoc(g_db, COLLECTION_NAME, query, 1, &resultSet), GRD_INVALID_ARGS);
 }
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